Act of listening for sounds within the body.
Noises, normal and abnormal, heard on auscultation over any part of the RESPIRATORY TRACT.
Instruments intended to detect and study sound produced by the heart, lungs, or other parts of the body. (from UMDNS, 1999)
Application of computer programs designed to assist the physician in solving a diagnostic problem.
A type of non-ionizing radiation in which energy is transmitted through solid, liquid, or gas as compression waves. Sound (acoustic or sonic) radiation with frequencies above the audible range is classified as ultrasonic. Sound radiation below the audible range is classified as infrasonic.
Ability to determine the specific location of a sound source.
The sounds heard over the cardiac region produced by the functioning of the heart. There are four distinct sounds: the first occurs at the beginning of SYSTOLE and is heard as a "lubb" sound; the second is produced by the closing of the AORTIC VALVE and PULMONARY VALVE and is heard as a "dupp" sound; the third is produced by vibrations of the ventricular walls when suddenly distended by the rush of blood from the HEART ATRIA; and the fourth is produced by atrial contraction and ventricular filling.
The graphic registration of the frequency and intensity of sounds, such as speech, infant crying, and animal vocalizations.
Use of sound to elicit a response in the nervous system.
The process whereby auditory stimuli are selected, organized, and interpreted by the organism.
The branch of physics that deals with sound and sound waves. In medicine it is often applied in procedures in speech and hearing studies. With regard to the environment, it refers to the characteristics of a room, auditorium, theatre, building, etc. that determines the audibility or fidelity of sounds in it. (From Random House Unabridged Dictionary, 2d ed)
NEURAL PATHWAYS and connections within the CENTRAL NERVOUS SYSTEM, beginning at the hair cells of the ORGAN OF CORTI, continuing along the eighth cranial nerve, and terminating at the AUDITORY CORTEX.
The ability or act of sensing and transducing ACOUSTIC STIMULATION to the CENTRAL NERVOUS SYSTEM. It is also called audition.
The region of the cerebral cortex that receives the auditory radiation from the MEDIAL GENICULATE BODY.
Any sound which is unwanted or interferes with HEARING other sounds.
The electric response evoked in the CEREBRAL CORTEX by ACOUSTIC STIMULATION or stimulation of the AUDITORY PATHWAYS.
The science pertaining to the interrelationship of psychologic phenomena and the individual's response to the physical properties of sound.
The audibility limit of discriminating sound intensity and pitch.
Act of listening for sounds within the heart.

Time course of respiratory decompensation in chronic obstructive pulmonary disease: a prospective, double-blind study of peak flow changes prior to emergency department visits. (1/1139)

The aim of this study was to look at changes in peak expiratory flow rates (PEFR) prior to emergency department visits for decompensated chronic obstructive pulmonary disease (COPD). It was designed as a prospective, double-blind study at the Albuquerque Veterans Affairs Medical Center. Twelve patients with an irreversible component of airflow obstruction on pulmonary function tests were assessed. At entry, all subjects were instructed in the use of a mini-Wright peak flow meter with electronic data storage. They then entered a 6-month monitoring phase in which they recorded PEFR twice daily, before and after bronchodilators. The meter displays were disabled so that the patients and their physicians were blinded to all values. Medical care was provided in the customary manner. Patients were considered to have respiratory decompensation if they required treatment for airflow obstruction in the Emergency Department (ED) and no other causes of dyspnea could be identified. Simple linear regression was used to model changes in PEFR over time. The 12 subjects had 22 episodes of respiratory decompensation during 1741 patient-days of observation. Two episodes could not be analysed because of missing values. Ten episodes in seven subjects were characterized by a significant linear decline in at least one peak flow parameter prior to presentation. The mean rates of change for the four daily parameters varied from 0.22% to 0.27% predicted per day (or 1.19 to 1.44 1 min-1 day-1). The average decrement in these parameters ranged from 30.0 to 33.8 1 min-1 (or 18.6%-25.9% of their baseline values). No temporal trends were found for the 10 episodes occurring in the other five subjects. We concluded that respiratory decompensation is characterized by a gradual decline in PEFR in about half of cases. Future studies should be done to elucidate the mechanisms of respiratory distress in the other cases.  (+info)

Randomised controlled trial of budesonide for the prevention of post-bronchiolitis wheezing. (2/1139)

BACKGROUND: Previous studies suggest that recurrent episodes of coughing and wheezing occur in up to 75% of infants after acute viral bronchiolitis. AIM: To assess the efficacy of budesonide given by means of a metered dose inhaler, spacer, and face mask in reducing the incidence of coughing and wheezing episodes up to 12 months after acute viral bronchiolitis. METHODS: Children under the age of 12 months admitted to hospital with acute viral bronchiolitis were randomised to receive either budesonide or placebo (200 microg or one puff twice daily) for the next eight weeks. Parents kept a diary card record of all episodes of coughing and wheezing over the next 12 months. RESULTS: Full follow up data were collected for 49 infants. There were no significant differences between the two study groups for the number of infants with symptom episodes up to six months after hospital discharge. At 12 months, 21 infants in the budesonide group had symptom episodes compared with 12 of 24 in the placebo group. The median number of symptom episodes was 2 (range, 0-13) in those who received budesonide and 1 (range, 0-11) in those who received placebo. Because there is no pharmacological explanation for these results, they are likely to be caused by a type 1 error, possibly exacerbated by there being more boys in the treatment group. CONCLUSION: Routine administration of budesonide by means of a metered dose inhaler, spacer, and face mask system immediately after acute viral bronchiolitis cannot be recommended.  (+info)

Persistent cough: is it asthma? (3/1139)

The aim of this study was to determine if children in the community with persistent cough can be considered to have asthma. A validated questionnaire was given to the parents of 1245 randomly selected children aged 6-12 years. Atopy was measured with skin prick tests. Children with persistent cough had less morbidity and less atopy compared with children with wheeze. Although the syndrome commonly referred to as "cough variant asthma" could not be shown in this study, a significant number of children with persistent cough had been diagnosed as having asthma and were treated with asthma medications including inhaled corticosteroids. Studies are urgently needed to determine the appropriate treatment for children with persistent cough.  (+info)

Repeatability of lung function tests during methacholine challenge in wheezy infants. (4/1139)

BACKGROUND: The repeatability of lung function tests and methacholine inhalation tests was evaluated in recurrently wheezy infants over a one month period using the rapid thoracic compression technique. METHODS: Eighty-one wheezy, symptom free infants had pairs of methacholine challenge tests performed one month apart. Maximal flow at functional residual capacity (VmaxFRC) and transcutaneous oxygen tension (Ptco2) were measured at baseline and after methacholine inhalation. Provocative doses of methacholine causing a 15% fall in Ptco2 (PD15 Ptco2) or a 30% fall in VmaxFRC (PD30 VmaxFRC) were determined. RESULTS: Large changes in VmaxFRC were measured from T1 to T2 with a mean difference between measurements (T2-T1) of 7 (113) ml/s and a 95% range for a single determination for VmaxFRC of 160 ml/s. The mean (SD) difference between pairs of PD30 VmaxFRC measurements was 0.33 (1.89) doubling doses with a 95% range for a single determination of 2.7 doubling doses. Repeatability of PD15Ptco2 was similar. A change of 3.7 doubling doses of methacholine measured on successive occasions represents a significant change. CONCLUSIONS: Baseline VmaxFRC values are highly variable in wheezy, symptom free infants. Using either VmaxFRC or Ptco2 as the outcome measure for methacholine challenges provided similar repeatability. A change of more than 3.7 doubling doses of methacholine is required for clinical significance.  (+info)

Forced expiratory wheezes in a patient with dynamic expiratory narrowing of central airways and an oscillating pattern of the flow-volume curve. (5/1139)

Forced expiratory wheezes (FEW) are common and the pathogenesis of this phenomenon might involve fluttering of the airways, but this theory has not been confirmed in patients. We report a case of a patient with FEW and a normal FEV1 that showed a bronchoscopically confirmed collapse of the trachea and main stem bronchi during forced expiration. Superimposed to the flow-volume curve was an oscillating pattern with a frequency that corresponded well with the wheeze generated during forced expiration. The oscillating pattern in the flow-volume curve and the collapse of the major airways supports the theory of wheezes generated by fluttering airways during forced expiration. Although FEW may be found also in healthy subjects, flow limitation is essential for the generation of FEW. The inclusion of a forced expiratory maneuver in the clinical examination might therefore be helpful in guiding the diagnosis towards airways obstruction.  (+info)

Age-dependent altered proportions in subpopulations of tonsillar lymphocytes. (6/1139)

Age-related changes in functional subsets of lymphocytes may influence the potential to build up immune responses. In particular, the capacity of tonsillar lymphocytes to counter infections may be altered during ageing. In order to address this question we investigated the proportional distribution of several subsets of tonsillar T and B cells with regard to ageing. Tonsils were derived from 119 patients between 2 and 65 years of age. Lymphocyte subsets were monitored by three-colour fluorescence of relevant CD markers in flow cytometry. As a general tendency the percentage of CD3+ T cells steadily increased whereas that of CD19+ B cells decreased at the same time. No significant differences were observed between lymphocytes of patients with and without inflammatory history of the tonsils. The percentage of CD8+ T cells declined whereas that of CD4+ T cells increased during the same time span. CD45RA+ T cells increased during the first two decades of life and gradually decreased thereafter. In contrast, CD45RO+ T cells showed an opposite trend. No differences were seen in the population of CD3-/CD56+ natural killer (NK) cells. The mature B cell marker CD40 showed no significant changes during ageing. However, CD38+ B cells, representing B cells of late maturation stages, dramatically declined up to the age of 65. In a similar manner the CD5+ subpopulation of B cells decreased during ageing. Substantial changes in major tonsillar T and B cell populations as shown in this study may have an impact on the ageing process of the immune system.  (+info)

Birth weight, body mass index and asthma in young adults. (7/1139)

BACKGROUND: Impaired fetal growth may be a risk factor for asthma although evidence in children is conflicting and there are few data in adults. Little is known about risk factors which may influence asthma in late childhood or early adult life. Whilst there are clues that fatness may be important, this has been little studied in young adults. The relations between birth weight and childhood and adult anthropometry and asthma, wheeze, hayfever, and eczema were investigated in a nationally representative sample of young British adults. METHODS: A total of 8960 individuals from the 1970 British Cohort Study (BCS70) were studied. They had recently responded to a questionnaire at 26 years of age in which they were asked whether they had suffered from asthma, wheeze, hayfever, and eczema in the previous 12 months. Adult body mass index (BMI) was calculated from reported height and weight. RESULTS: The prevalence of asthma at 26 years fell with increasing birth weight. After controlling for potential confounding factors, the odds ratio comparing the lowest birth weight group (<2 kg) with the modal group (3-3.5 kg) was 1.99 (95% CI 0.96 to 4.12). The prevalence of asthma increased with increasing adult BMI. After controlling for birth weight and other confounders, the odds ratio comparing highest with lowest quintile was 1.72 (95% CI 1.29 to 2.29). The association between fatness and asthma was stronger in women; odds ratios comparing overweight women (BMI 25-29.99) and obese women (BMI >/=30) with those of normal weight (BMI <25) were 1.51 (95% CI 1.11 to 2.06) and 1.84 (95% CI 1. 19 to 2.84), respectively. The BMI at 10 years was not related to adult asthma. Similar associations with birth weight and adult BMI were present for wheeze but not for hayfever or eczema. CONCLUSIONS: Impaired fetal growth and adult fatness are risk factors for adult asthma.  (+info)

Pertussis vaccination and wheezing illnesses in young children: prospective cohort study. The Longitudinal Study of Pregnancy and Childhood Team. (8/1139)

OBJECTIVES: To examine the relation between pertussis vaccination and the prevalence of wheezing illnesses in young children. DESIGN: Prospective cohort study. SETTING: Three former health districts comprising Avon Health Authority. SUBJECTS: 9444 of 14 138 children enrolled in the Avon longitudinal study of pregnancy and childhood and for whom data on wheezing symptoms, vaccination status, and 15 environmental and biological variables were available. MAIN OUTCOME MEASURES: Episodes of wheezing from birth to 6 months, 7-18 months, 19-30 months, and 31-42 months. These time periods were used to derive five categories of wheezing illness: early wheezing (not after 18 months); late onset wheezing (after 18 months); persistent wheezing (at every time period); recurrent wheezing (any combination of two or more episodes for each period); and intermittent wheezing (any combination of single episodes of reported wheezing). These categories were stratified according to parental self reported asthma or allergy. RESULTS: Unadjusted comparisons of the defined wheezing illnesses in vaccinated and non-vaccinated children showed no significant association between pertussis vaccination and any of the wheezing outcomes regardless of stratification for parental asthma or allergy. Wheeze was more common in non-vaccinated children at 18 months, and there was a tendency for late onset wheezing to be associated with non-vaccination in children whose parents did not have asthma, but this was not significant. After adjustment for environmental and biological variables, logistic regression analyses showed no significant increased relative risk for any of the wheezing outcomes in vaccinated children: early wheezing (0.99, 95% confidence interval 0.80 to 1.23), late onset wheezing (0.85, 0.69 to 1.05), persistent wheezing (0.91, 0.47 to 1.79), recurrent wheezing (0.96, 0.72 to 1.26), and intermittent wheezing (1.06, 0.81 to 1.37). CONCLUSIONS: No evidence was found that pertussis vaccination increases the risk of wheezing illnesses in young children. Further follow up of this population with objective measurement of allergy and bronchial responsiveness is planned to confirm these observations.  (+info)

Auscultation is a medical procedure in which a healthcare professional uses a stethoscope to listen to the internal sounds of the body, such as heart, lung, or abdominal sounds. These sounds can provide important clues about a person's health and help diagnose various medical conditions, such as heart valve problems, lung infections, or digestive issues.

During auscultation, the healthcare professional places the stethoscope on different parts of the body and listens for any abnormal sounds, such as murmurs, rubs, or wheezes. They may also ask the person to perform certain movements, such as breathing deeply or coughing, to help identify any changes in the sounds.

Auscultation is a simple, non-invasive procedure that can provide valuable information about a person's health. It is an essential part of a physical examination and is routinely performed by healthcare professionals during regular checkups and hospital visits.

Respiratory sounds are the noises produced by the airflow through the respiratory tract during breathing. These sounds can provide valuable information about the health and function of the lungs and airways. They are typically categorized into two main types: normal breath sounds and adventitious (or abnormal) breath sounds.

Normal breath sounds include:

1. Vesicular breath sounds: These are soft, low-pitched sounds heard over most of the lung fields during quiet breathing. They are produced by the movement of air through the alveoli and smaller bronchioles.
2. Bronchovesicular breath sounds: These are medium-pitched, hollow sounds heard over the mainstem bronchi and near the upper sternal border during both inspiration and expiration. They are a combination of vesicular and bronchial breath sounds.

Abnormal or adventitious breath sounds include:

1. Crackles (or rales): These are discontinuous, non-musical sounds that resemble the crackling of paper or bubbling in a fluid-filled container. They can be heard during inspiration and are caused by the sudden opening of collapsed airways or the movement of fluid within the airways.
2. Wheezes: These are continuous, musical sounds resembling a whistle. They are produced by the narrowing or obstruction of the airways, causing turbulent airflow.
3. Rhonchi: These are low-pitched, rumbling, continuous sounds that can be heard during both inspiration and expiration. They are caused by the vibration of secretions or fluids in the larger airways.
4. Stridor: This is a high-pitched, inspiratory sound that resembles a harsh crowing or barking noise. It is usually indicative of upper airway narrowing or obstruction.

The character, location, and duration of respiratory sounds can help healthcare professionals diagnose various respiratory conditions, such as pneumonia, chronic obstructive pulmonary disease (COPD), asthma, and bronchitis.

A stethoscope is a medical device used for auscultation, or listening to the internal sounds of the body. It is most commonly used to hear the heartbeat, lung sounds, and blood flow in the major arteries. The device consists of a small disc-shaped resonator that is placed against the skin, connected by tubing to two earpieces. Stethoscopes come in different types and designs, but all serve the primary purpose of amplifying and transmitting body sounds to facilitate medical diagnosis.

Computer-assisted diagnosis (CAD) is the use of computer systems to aid in the diagnostic process. It involves the use of advanced algorithms and data analysis techniques to analyze medical images, laboratory results, and other patient data to help healthcare professionals make more accurate and timely diagnoses. CAD systems can help identify patterns and anomalies that may be difficult for humans to detect, and they can provide second opinions and flag potential errors or uncertainties in the diagnostic process.

CAD systems are often used in conjunction with traditional diagnostic methods, such as physical examinations and patient interviews, to provide a more comprehensive assessment of a patient's health. They are commonly used in radiology, pathology, cardiology, and other medical specialties where imaging or laboratory tests play a key role in the diagnostic process.

While CAD systems can be very helpful in the diagnostic process, they are not infallible and should always be used as a tool to support, rather than replace, the expertise of trained healthcare professionals. It's important for medical professionals to use their clinical judgment and experience when interpreting CAD results and making final diagnoses.

In the context of medicine, particularly in the field of auscultation (the act of listening to the internal sounds of the body), "sound" refers to the noises produced by the functioning of the heart, lungs, and other organs. These sounds are typically categorized into two types:

1. **Bradyacoustic sounds**: These are low-pitched sounds that are heard when there is a turbulent flow of blood or when two body structures rub against each other. An example would be the heart sound known as "S1," which is produced by the closure of the mitral and tricuspid valves at the beginning of systole (contraction of the heart's ventricles).

2. **High-pitched sounds**: These are sharper, higher-frequency sounds that can provide valuable diagnostic information. An example would be lung sounds, which include breath sounds like those heard during inhalation and exhalation, as well as adventitious sounds like crackles, wheezes, and pleural friction rubs.

It's important to note that these medical "sounds" are not the same as the everyday definition of sound, which refers to the sensation produced by stimulation of the auditory system by vibrations.

Sound localization is the ability of the auditory system to identify the location or origin of a sound source in the environment. It is a crucial aspect of hearing and enables us to navigate and interact with our surroundings effectively. The process involves several cues, including time differences in the arrival of sound to each ear (interaural time difference), differences in sound level at each ear (interaural level difference), and spectral information derived from the filtering effects of the head and external ears on incoming sounds. These cues are analyzed by the brain to determine the direction and distance of the sound source, allowing for accurate localization.

Heart sounds are the noises generated by the beating heart and the movement of blood through it. They are caused by the vibration of the cardiac structures, such as the valves, walls, and blood vessels, during the cardiac cycle.

There are two normal heart sounds, often described as "lub-dub," that can be heard through a stethoscope. The first sound (S1) is caused by the closure of the mitral and tricuspid valves at the beginning of systole, when the ventricles contract to pump blood out to the body and lungs. The second sound (S2) is produced by the closure of the aortic and pulmonary valves at the end of systole, as the ventricles relax and the ventricular pressure decreases, allowing the valves to close.

Abnormal heart sounds, such as murmurs, clicks, or extra sounds (S3 or S4), may indicate cardiac disease or abnormalities in the structure or function of the heart. These sounds can be evaluated through a process called auscultation, which involves listening to the heart with a stethoscope and analyzing the intensity, pitch, quality, and timing of the sounds.

Sound spectrography, also known as voice spectrography, is a diagnostic procedure in which a person's speech sounds are analyzed and displayed as a visual pattern called a spectrogram. This test is used to evaluate voice disorders, speech disorders, and hearing problems. It can help identify patterns of sound production and reveal any abnormalities in the vocal tract or hearing mechanism.

During the test, a person is asked to produce specific sounds or sentences, which are then recorded and analyzed by a computer program. The program breaks down the sound waves into their individual frequencies and amplitudes, and displays them as a series of horizontal lines on a graph. The resulting spectrogram shows how the frequencies and amplitudes change over time, providing valuable information about the person's speech patterns and any underlying problems.

Sound spectrography is a useful tool for diagnosing and treating voice and speech disorders, as well as for researching the acoustic properties of human speech. It can also be used to evaluate hearing aids and other assistive listening devices, and to assess the effectiveness of various treatments for hearing loss and other auditory disorders.

Acoustic stimulation refers to the use of sound waves or vibrations to elicit a response in an individual, typically for the purpose of assessing or treating hearing, balance, or neurological disorders. In a medical context, acoustic stimulation may involve presenting pure tones, speech sounds, or other types of auditory signals through headphones, speakers, or specialized devices such as bone conduction transducers.

The response to acoustic stimulation can be measured using various techniques, including electrophysiological tests like auditory brainstem responses (ABRs) or otoacoustic emissions (OAEs), behavioral observations, or functional imaging methods like fMRI. Acoustic stimulation is also used in therapeutic settings, such as auditory training programs for hearing impairment or vestibular rehabilitation for balance disorders.

It's important to note that acoustic stimulation should be administered under the guidance of a qualified healthcare professional to ensure safety and effectiveness.

Auditory perception refers to the process by which the brain interprets and makes sense of the sounds we hear. It involves the recognition and interpretation of different frequencies, intensities, and patterns of sound waves that reach our ears through the process of hearing. This allows us to identify and distinguish various sounds such as speech, music, and environmental noises.

The auditory system includes the outer ear, middle ear, inner ear, and the auditory nerve, which transmits electrical signals to the brain's auditory cortex for processing and interpretation. Auditory perception is a complex process that involves multiple areas of the brain working together to identify and make sense of sounds in our environment.

Disorders or impairments in auditory perception can result in difficulties with hearing, understanding speech, and identifying environmental sounds, which can significantly impact communication, learning, and daily functioning.

Acoustics is a branch of physics that deals with the study of sound, its production, transmission, and effects. In a medical context, acoustics may refer to the use of sound waves in medical procedures such as:

1. Diagnostic ultrasound: This technique uses high-frequency sound waves to create images of internal organs and tissues. It is commonly used during pregnancy to monitor fetal development, but it can also be used to diagnose a variety of medical conditions, including heart disease, cancer, and musculoskeletal injuries.
2. Therapeutic ultrasound: This technique uses low-frequency sound waves to promote healing and reduce pain and inflammation in muscles, tendons, and ligaments. It is often used to treat soft tissue injuries, arthritis, and other musculoskeletal conditions.
3. Otology: Acoustics also plays a crucial role in the field of otology, which deals with the study and treatment of hearing and balance disorders. The shape, size, and movement of the outer ear, middle ear, and inner ear all affect how sound waves are transmitted and perceived. Abnormalities in any of these structures can lead to hearing loss, tinnitus, or balance problems.

In summary, acoustics is an important field of study in medicine that has applications in diagnosis, therapy, and the understanding of various medical conditions related to sound and hearing.

Auditory pathways refer to the series of structures and nerves in the body that are involved in processing sound and transmitting it to the brain for interpretation. The process begins when sound waves enter the ear and cause vibrations in the eardrum, which then move the bones in the middle ear. These movements stimulate hair cells in the cochlea, a spiral-shaped structure in the inner ear, causing them to release neurotransmitters that activate auditory nerve fibers.

The auditory nerve carries these signals to the brainstem, where they are relayed through several additional structures before reaching the auditory cortex in the temporal lobe of the brain. Here, the signals are processed and interpreted as sounds, allowing us to hear and understand speech, music, and other environmental noises.

Damage or dysfunction at any point along the auditory pathway can lead to hearing loss or impairment.

Hearing is the ability to perceive sounds by detecting vibrations in the air or other mediums and translating them into nerve impulses that are sent to the brain for interpretation. In medical terms, hearing is defined as the sense of sound perception, which is mediated by the ear and interpreted by the brain. It involves a complex series of processes, including the conduction of sound waves through the outer ear to the eardrum, the vibration of the middle ear bones, and the movement of fluid in the inner ear, which stimulates hair cells to send electrical signals to the auditory nerve and ultimately to the brain. Hearing allows us to communicate with others, appreciate music and sounds, and detect danger or important events in our environment.

The auditory cortex is the region of the brain that is responsible for processing and analyzing sounds, including speech. It is located in the temporal lobe of the cerebral cortex, specifically within the Heschl's gyrus and the surrounding areas. The auditory cortex receives input from the auditory nerve, which carries sound information from the inner ear to the brain.

The auditory cortex is divided into several subregions that are responsible for different aspects of sound processing, such as pitch, volume, and location. These regions work together to help us recognize and interpret sounds in our environment, allowing us to communicate with others and respond appropriately to our surroundings. Damage to the auditory cortex can result in hearing loss or difficulty understanding speech.

In the context of medicine, particularly in audiology and otolaryngology (ear, nose, and throat specialty), "noise" is defined as unwanted or disturbing sound in the environment that can interfere with communication, rest, sleep, or cognitive tasks. It can also refer to sounds that are harmful to hearing, such as loud machinery noises or music, which can cause noise-induced hearing loss if exposure is prolonged or at high enough levels.

In some medical contexts, "noise" may also refer to non-specific signals or interfering factors in diagnostic tests and measurements that can make it difficult to interpret results accurately.

Auditory evoked potentials (AEP) are medical tests that measure the electrical activity in the brain in response to sound stimuli. These tests are often used to assess hearing function and neural processing in individuals, particularly those who cannot perform traditional behavioral hearing tests.

There are several types of AEP tests, including:

1. Brainstem Auditory Evoked Response (BAER) or Brainstem Auditory Evoked Potentials (BAEP): This test measures the electrical activity generated by the brainstem in response to a click or tone stimulus. It is often used to assess the integrity of the auditory nerve and brainstem pathways, and can help diagnose conditions such as auditory neuropathy and retrocochlear lesions.
2. Middle Latency Auditory Evoked Potentials (MLAEP): This test measures the electrical activity generated by the cortical auditory areas of the brain in response to a click or tone stimulus. It is often used to assess higher-level auditory processing, and can help diagnose conditions such as auditory processing disorders and central auditory dysfunction.
3. Long Latency Auditory Evoked Potentials (LLAEP): This test measures the electrical activity generated by the cortical auditory areas of the brain in response to a complex stimulus, such as speech. It is often used to assess language processing and cognitive function, and can help diagnose conditions such as learning disabilities and dementia.

Overall, AEP tests are valuable tools for assessing hearing and neural function in individuals who cannot perform traditional behavioral hearing tests or who have complex neurological conditions.

Psychoacoustics is a branch of psychophysics that deals with the study of the psychological and physiological responses to sound. It involves understanding how people perceive, interpret, and react to different sounds, including speech, music, and environmental noises. This field combines knowledge from various areas such as psychology, acoustics, physics, and engineering to investigate the relationship between physical sound characteristics and human perception. Research in psychoacoustics has applications in fields like hearing aid design, noise control, music perception, and communication systems.

The auditory threshold is the minimum sound intensity or loudness level that a person can detect 50% of the time, for a given tone frequency. It is typically measured in decibels (dB) and represents the quietest sound that a person can hear. The auditory threshold can be affected by various factors such as age, exposure to noise, and certain medical conditions. Hearing tests, such as pure-tone audiometry, are used to measure an individual's auditory thresholds for different frequencies.

Heart auscultation is a medical procedure in which a healthcare professional uses a stethoscope to listen to the sounds produced by the heart. The process involves placing the stethoscope on various locations of the chest wall to hear different areas of the heart.

The sounds heard during auscultation are typically related to the opening and closing of the heart valves, as well as the turbulence created by blood flow through the heart chambers. These sounds can provide important clues about the structure and function of the heart, allowing healthcare professionals to diagnose various cardiovascular conditions such as heart murmurs, valvular disorders, and abnormal heart rhythms.

Heart auscultation is a key component of a physical examination and requires proper training and experience to interpret the findings accurately.

... , also known as lung sounds or breath sounds, refer to the specific sounds generated by the movement of air ... sound will be diminished. This changes the sound produced, from a long "E" sound to a long "A" sound (/eɪ/). In 1957, Robertson ... Normal breath sounds can also be identified by patterns of sound duration and the quality of the sound as described in the ... Rhonchi are coarse rattling respiratory sounds, usually caused by secretions in bronchial airways. The sounds resemble snoring ...
The four steps of the respiratory exam are inspection, palpation, percussion, and auscultation of respiratory sounds, normally ... "Analysis of Respiratory Sounds: State of the Art". Clinical Medicine. Circulatory, Respiratory and Pulmonary Medicine. 2: 45-58 ... Palaniappan R, Sundaraj K, Ahamed NU, Arjunan A, Sundaraj S. Computer-based Respiratory Sound Analysis: A Systematic Review. ... Normal lung sound. Dullness: Medium intensity and pitch. Experienced with fluid. A dull, muffled sound may replace resonance in ...
Lung Sounds: Advances beyond the stethoscope," American Journal of Respiratory and Critical Care Medicine, 156: 974-987, 1997. ... "Spectral characteristics of sound transmission in the human respiratory system". IEEE Transactions on Biomedical Engineering. ... Harper, P., Pasterkamp, H., Kraman, S.S. and Wodicka, G.R., "An acoustic model of the respiratory tract," IEEE Transactions on ... Pasterkamp, H., Kraman, S.S., DeFrain, P.D., and Wodicka, G.R., "Measurement of respiratory acoustical signals: comparison of ...
Respiratory sounds can be produced by expelling air from the lungs. However, to vary the sound quality in a way useful for ... Sound sources refer to the conversion of aerodynamic energy into acoustic energy. There are two main types of sound sources in ... To produce any kind of sound, there must be movement of air. To produce sounds that people can interpret as spoken words, the ... The lips then release suddenly, causing a burst of sound. The place of articulation of this sound is therefore called bilabial ...
... are mobile software applications designed to collect respiratory sounds and aid diagnosis in ... At the same time a number of approaches which tries to use respiratory sounds and artificial intelligence to understand if the ... A large-scale crowdsourced dataset of respiratory sounds has been collected to aid diagnosis of COVID-19: coughs and breathing ... "Exploring Automatic Diagnosis of COVID-19 from Crowdsourced Respiratory Sound Data". Proceedings of the 26th ACM SIGKDD ...
Abnormal Respiratory Vocal Sounds (Audible medical signs, Symptoms and signs: Respiratory system). ... long-E vowel sound. Stethoscopic auscultation of a clear lung field during this articulation will detect a sound matching that ... The mechanism is the same; that is, fluid or consolidation causes the sound of the voice to be transmitted loudly to the ... It is due to enhanced transmission of high-frequency sound across fluid, such as in abnormal lung tissue, with lower ...
Cough and breath sounds provide rich epidemiological data. Studying respiratory sounds and identifying deviations from baseline ... The value of being able to track signs of deviations from baseline with regards to respiratory sounds at a population level is ... In a 2020-2021 study of acoustic epidemiology, in Navarra, Spain, the Hyfe app was used to track respiratory sounds in over 800 ... Acoustic epidemiology is a field that studies bodily sounds, such as coughs and breath sounds, in order to better identify ...
During expiration, turbulent airflow crushes the narrowed respiratory tract, leading to a wheezing sound. Moreover, the ... The passage of this cold and dry air causes a loss of moisture from the mucosal membrane of the respiratory tract. The ... Cooling of the respiratory tract may also activate cholinergic receptors, which can induce bronchoconstriction and mucus ... One of the clinical asthmatic symptoms is shortness of breath due to narrowing of the respiratory tract, caused by mucus plug ...
1853) On variations of pitch in percussion and respiratory sounds, and their application to physical diagnosis. (1852) Clinical ... 1855) Physical Exploration in the Diagnosis of Diseases of the Respiratory Organs. (1856; revised second edition, 1868) ...
Palaniappan R, Sundaraj K, Ahamed NU, Arjunan A, Sundaraj S. Computer-based Respiratory Sound Analysis: A Systematic Review. ... The bell transmits low frequency sounds, while the diaphragm transmits higher frequency sounds. To deliver the acoustic energy ... provides heart sounds, heart murmurs, and breath sounds in order to help medical students and others improve their physical ... overcomes the low sound levels by electronically amplifying body sounds. However, amplification of stethoscope contact ...
... 's sound effects were created by capturing the sounds of clams using a special respiratory sound pickup microphone. These ... sounds were combined with other sound effects which would later be used for the Lady Guard alarm in Invasion of Astro-Monster ( ...
Pertussis is an infection of the respiratory system characterized by a "whooping" sound when the person breathes in. In the US ... After a spell, the patient might make a "whooping" sound when breathing in, or may vomit. Adults have milder symptoms, such as ... Respiratory/Musculoskeletal. 7 (3): 272-278. doi:10.1016/j.coph.2006.12.004. ISSN 1471-4892. PMID 17418639. Sebo, Peter; Osicka ... The paroxysmal cough precedes a crowing inspiratory sound characteristic of pertussis. ...
... whistling sound produced in the respiratory airways during breathing. For wheezes to occur, some part of the respiratory tree ... Multiple case studies with audio files of lung sounds. R.A.L.E. Repository - sound files of breath sounds (CS1 maint: DOI ... Stridor - the word is from the Latin, strīdor - is a harsh, high-pitched, vibrating sound that is heard in respiratory tract ... Localized processes, such as the occlusion of a portion of the respiratory tree, are more likely to produce wheezing at that ...
... is the vibration of respiratory structures and the resulting sound due to obstructed air movement during breathing ... The sound may be soft or loud and unpleasant. Snoring during sleep may be a sign, or first alarm, of obstructive sleep apnea ( ... American Journal of Respiratory and Critical Care Medicine. 161 (2 Pt 1): 420-5. doi:10.1164/ajrccm.161.2.9903079. PMID ... The European Respiratory Journal. 6 (4): 531-5. doi:10.1183/09031936.93.06040531. PMID 8491303. S2CID 35616473. Lee SA, Amis TC ...
Power' is the source of energy producing the sound (typically the respiratory system causing air to be expelled from the lungs ... Source' is the component that vibrates to create the sound waves (the vocal folds). 'Filter' is the shaping of the sound waves ... Sob: Sob quality is a soft and dark sound, associated with the sobbing cry of an adult who mourns. Sob quality is produced on a ... In addition to the thirteen Figures for Voice, Estill Voice Training also includes the 'Siren' exercise where a sound is ...
Bronchophony Egophony Consumption Whooping cough Croup Pertussis toxin Allergic asthma Respiratory sounds Jones D (2003) [1917 ... Multiple case studies with audio files of lung sounds. R.A.L.E. Repository - sound files of breath sounds (Pages using the ... The sounds from interstitial pulmonary fibrosis have been described as sounding like opening a Velcro fastener. Coarse crackles ... classification of lung sounds from video recordings". BMJ Open Respiratory Research. 3 (1): e000136. doi:10.1136/bmjresp-2016- ...
Auscultation is performed for the purposes of examining the circulatory and respiratory systems (heart and breath sounds), as ... Common colds are defined as upper respiratory tract infections that affect the predominantly nasal part of the respiratory ... Lips are soft, movable, and serve as the opening for food intake and in the articulation of sound and speech. Human lips are a ... It bears the nostrils and is the first organ of the respiratory system. It is also the principal organ in the olfactory system ...
... is performed for the purposes of examining the circulatory and respiratory systems (heart and breath sounds), as ... Breath sounds Heart sounds Intestinal sound Palpation, the practice of examining a patient through the use of hands Percussion ... When auscultating the heart, doctors listen for abnormal sounds, including heart murmurs, gallops, and other extra sounds ... and breath sounds in order to help medical students and others improve their physical diagnosis skills" MEDiscuss - Respiratory ...
RESPIRATORY CARE • December 2003 Vol 48 No 12 pp. 1272-1274 Understanding Lung Sounds on Google Books (Pulmonology, Respiratory ... Review of Understanding Lung Sounds by Steven Lehrer. Ann Int Med 101:885, 1984 Capel LH. Review of Understanding Lung Sounds ... The audio CD presents and explains normal and abnormal lung sounds. Loudon, Robert. Review of Understanding Lung Sounds by ... Review of Understanding Lung Sounds by Steven Lehrer. JAMA 253:2585, 1985 Guidotti TL. Review of Understanding Lung Sounds by ...
Voice Sound produced by air passing out through the larynx and upper respiratory tract. Voice disorders Group of problems ... Misarticulation Innacurately produced speech sound (phoneme) or sounds. Motor speech disorders Group of disorders caused by the ... either very loud impulse sound(s) or repeated exposure to sounds over 90-decibel level over an extended period of time that ... It is the main organ of taste, and assists in forming speech sounds. Touch Tactile sense; the sense by which contact with the ...
... obstruction include choking with inability to speak or absence of bilateral breath sounds among other signs of respiratory ... Increased respiratory rate may be the only sign of foreign body aspiration in a child who cannot verbalize or report if they ... The foreign body can then become lodged in the trachea or further down the respiratory tract such as in a bronchus. Regardless ... Auscultation of breath sounds may give additional information regarding object location and the degree of airway obstruction. ...
... respiratory variations occur in the splitting of the second heart sound (S2). During respiratory inspiration, the negative ... as well as more frequent respiratory infections. ASDs, and particularly PFOs, are a predisposing venous blood carrying inert ... ASD are diagnosed in utero or in early childhood with the use of ultrasonography or auscultation of the heart sounds during ...
"Automated lung sound analysis in patients with pneumonia". Respiratory Care. 49 (12): 1490-7. PMID 15571639. Archived from the ... Mor R, Kushnir I, Meyer JJ, Ekstein J, Ben-Dov I (2007). "Breath Sound Distribution Images of Patients With Pneumonia and ... The foremost information that the VRI provides on vibration energy, is how lung sounds behave and function during inspiration ... In medicine Imaging Lung Sound Behavior with Vibration Response Imaging (VRI), is a novelty computer-based technology that ...
... nasal or respiratory muscles to produce sounds. The tics must not be explained by other medical conditions or substance use. ... Tics are movements or sounds that take place "intermittently and unpredictably out of a background of normal motor activity", ... because vocal tics are also motor tics in the sense that they are muscular contractions of nasal or respiratory muscles. ...
... a plastic bag over the nose to intensify the horse's respiratory effort and hence the sounds. This procedure can be dangerous ... "Respiratory Health" Session N. E. Robinson (2001), "Recurrent Airway Obstruction (Heaves)" Equine Respiratory Diseases, ... A great number of horses suffer from respiratory conditions that is a direct result of the hay they are feeding on. Stored hay ... This is caused by hypertrophy of the extrinsic respiratory muscles. If any of these symptoms are observed, veterinary advice ...
Bob Minkler, 78, American sound mixer (Star Wars, Tron, Mask), Oscar winner (1978), respiratory failure. Salvador Trane Modesto ... Rochunga dies RILEY Tex Rudloff, Sound Man on 'Taxi Driver' and 'Halloween,' Dies at 89 Mahmoud Sehili : La scène artistique ... Maggie Riley, 79, British actress (Hazell, Grange Hill). Tex Rudloff, 89, American sound editor (Taxi Driver, The Buddy Holly ... Former MBB coach Zeke Hogeland passes away "Sight & Sound's editor through three and a half decades" LEO KADANOFF ...
... "a low-frequency sound which resonates with the respiratory tract, making it hard to breathe". Protesters may also deploy their ... Hambling, David (December 7, 2011). "Riot shields could scatter crowds with 'wall of sound'". New Scientist. Archived from the ...
The patient may also experience added respiratory sounds which in the more severe cases can be identified as stridor but in ... Perkins JA, Inglis AF, Richardson MA (March 1998). "Iatrogenic airway stenosis with recurrent respiratory papillomatosis". Arch ... Articles with short description, Short description is different from Wikidata, Respiratory diseases, Gross pathology). ...
Dorothy Lee, 88, American actress and comedian, respiratory failure. Jack Mullin, 85, American sound engineer. Joe Redington, ...
Being a Treatise on Cardiovascular and Respiratory Sound, Introduced by an Historical Survey, Illustrated by Sound Spectrograms ... McKusick specialized in heart murmurs, and utilized spectroscopy to analyze heart sounds. In 1956 McKusick traveled to ...
Symptoms of DPB include chronic sinusitis (inflamed paranasal sinuses), wheezing, crackles (respiratory sounds made by ... In DPB, the nodules are more restricted to the respiratory bronchioles, while in OB they are often found in the membranous ... Mucus production in the airways is a major culprit in the morbidity and mortality of DPB and other respiratory diseases. The ... The eventual result of DPB can be respiratory failure and heart problems. The term "bronchiolitis" generally refers to ...
Respiratory sounds, also known as lung sounds or breath sounds, refer to the specific sounds generated by the movement of air ... sound will be diminished. This changes the sound produced, from a long "E" sound to a long "A" sound (/eɪ/). In 1957, Robertson ... Normal breath sounds can also be identified by patterns of sound duration and the quality of the sound as described in the ... Rhonchi are coarse rattling respiratory sounds, usually caused by secretions in bronchial airways. The sounds resemble snoring ...
Several conditions can cause respiratory noise and distress in horses. Be vigilant, and have your horse evaluated if you notice ... Several conditions can cause respiratory noise and distress in horses. Be vigilant, and have your horse evaluated if you notice ... "Respiratory sounds you can hear without a stethoscope usually indicate an issue in the upper airway, and endoscopy is a common ... As for equine athletes that come in with audible respiratory sounds, many have an anatomic abnormality causing the noise, says ...
The smart mask has opened new avenues for its application in the identification of respiratory diseases, as well as a voice ... Tracking respiratory sounds with a smart mask to identify respiratory diseases. Print Email ... Home smart mask Tracking respiratory sounds with a smart mask to identify respiratory diseases ... Original Article: CityU researchers invent smart mask to track respiratory sounds for respiratory disease identification. ...
Computer aided lung sound analysis: a preliminary study to assess its potential as a new outcome measure for respiratory ... Computer aided lung sound analysis: a preliminary study to assess its potential as a new outcome measure for respiratory ... Computer aided lung sound analysis: a preliminary study to assess its potential as a new outcome measure for respiratory ... Lung sounds provide useful information for assessing and monitoring respiratory patients. However, standard auscultation is too ...
... largest CME collection for lung diseases and treatment offering high quality e-learning and teaching resources for respiratory ... The ERS-education website provides centralised access to all educational material produced by the European Respiratory Society ... Reference Database of Respiratory Sounds - Other. About this database. The aim of this reference database is to standardize ... The aim of this reference database is to standardize nomenclature on respiratory sounds, and to serve as a resource for ...
Adventitious sounds are respiratory sounds superimposed on breath sounds which can be discontinuous (crackles) or continuous ( ... Respiratory sounds contain relevant information about the structure and function of the respiratory system and are generally ... The Respiratory Sound Database contains audio samples, collected independently by two research teams in two different countries ... 2019) "An open access database for the evaluation of respiratory sound classification algorithms" Physiological Measurement 40 ...
any anomaly in the noises heard over any part of the respiratory tract. ...
Respiratory System - Physiology - Picmonic for Nursing RN faster and easier with Picmonics unforgettable videos, stories, and ... Lung Sounds - Rhonchi. Location Trachea and Bronchi. Description. Low Pitched Rumbling. Sounds Like. Gurgling. Cause. Narrowed ... Lung Sounds - Wheezes. Location. Throughout Lung. Description. High Pitched. Sounds Like. Musical. Cause. Air Moving through ... Lung Sounds - Crackles. Location. Lower Lobes. Description. Fine/Coarse. Sounds Like. Fine: Twisting Hair through Fingers. ...
title = "Respiratory Sounds Classification employing a Multi-label Approach",. abstract = "Respiratory diseases are one of the ... The present proposal holds the use of AI algorithms to identify respiratory sounds that are associated with respiratory ... The present proposal holds the use of AI algorithms to identify respiratory sounds that are associated with respiratory ... The present proposal holds the use of AI algorithms to identify respiratory sounds that are associated with respiratory ...
... respiratory symptoms and diagnosed asthma in children, we undertook a cross-sectional study of 2363 Australian schoolchildren ... Respiratory Hypersensitivity / epidemiology* * Respiratory Hypersensitivity / etiology * Respiratory Sounds / etiology * ... I. Relation to respiratory symptoms and diagnosed asthma Clin Allergy. 1987 Jul;17(4):271-81. doi: 10.1111/j.1365-2222.1987. ... Although there was a good association between BHR and respiratory symptoms, questionnaire data of wheeze and diagnosed asthma ...
Computerised respiratory sounds can differentiate smokers from non-smokers. Author: Oliveira, Ana. Sen, Ipek. Kahya, Yasemin. ... 2016_Oliveira_Computerised respiratory sounds can.pdf. 391.66 kB. Adobe PDF. View/Open. ...
respiratory sounds, abnormal respiratory sounds, continuous adventitious sounds (CASI, discontinuous adventitious sounds (DAS ... ANA makes sound features enough reach to be identified more accurately than the respiratory sounds without ANA. The obtained ... Respiratory sound (RS) attributes and their analyses structure a fundamental piece of pneumonic pathology, and it gives ... In this research, we have applied Fourier analysis for the visual inspection of abnormal respiratory sounds. Spectrum analysis ...
Artificial intelligence techniques have been extensively used for wheeze sound analysis to... ... these sounds mostly exist in pneumonia and asthma patients. ... continues and high pitch pulmonary sounds produce due to airway ... Bahoura, M., and Pelletier, C. (2003) New parameters for respiratory sound classification, In Canadian Conference on Electrical ... Bahoura, M., and Pelletier, C. (2004) Respiratory sounds classification using Gaussian mixture models, Electrical and Computer ...
Characterisation of cough sounds to monitor respiratory infections in intensive pig farming. Sara Ferrari, Mitchell Silva, ... Infections change the status of respiratory system; thus infectious cough (I) sounds are different than healthy ones (H). ... Cite as: Ferrari, S., Silva, M., Guarino, M., Berckmans, D. (2007) Characterisation of cough sounds to monitor respiratory ... Characterisation of cough sounds to monitor respiratory infections in intensive pig farming}}, year=2007, booktitle={Proc. ...
Learn about the types and locations of abnormal breathing sounds and what might cause them. ... Bronchial breath sounds are the type of sounds that a person may make while breathing. ... The main respiratory sounds.. http://repo.knmu.edu.ua/bitstream/123456789/16308/1/Topic_7_resp_syst.pdf. ... Bronchial sounds, or "tubular sounds," are the type of sounds that a person may make while breathing. Bronchial sounds. are ...
Explore how you can use the Sound Analysis framework in your app to detect and classify discrete sounds from any audio source ... We can detect various human sounds: group activities, respiratory sounds, vocalizations.. Then theres sounds of things like ... For more about Sound Classification and the Sound Analysis framework, watch "Training Sound Classification Models in Create ML ... we have a sound classifier built right into the Sound Analysis framework. Its never been easier to enable sound classification ...
Respiratory protective devices - Methods of test and test equipment - Part 14: Measurement of sound pressure level ... Respiratory protective devices. Methods of test and test equipment. Part 14: Measurement of sound pressure level. Status : ... This document specifies laboratory test methods for measuring the sound pressure level generated by the respiratory protective ...
4 Respiratory Sounds/. 5 wheez$.mp.. 6 Bronchial Spasm/. 7 bronchospas$.mp. ... 13 Respiratory Hypersensitivity/. 14 ((Bronchial$ or respiratory or airway$ or lung$) adj3 (hypersensitiv$ or hyperreactiv$ or ... European Respiratory Journal 2006;27(5):921 8.. McGhan SL, Wong E, Jhangri GS, Wells HM, Michaelchuk DR, Boechler VL, et al. ... American Journal of Respiratory and Critical Care Medicine 2010;181:A2250.. Bruzzese JM, Sheares BJ, Vincent EJ, Du Y, Sadeghi ...
Coughing sounds in pigs predict respiratory diseases. 15-03 , Article. Is crushing attributed to sows, piglets or housing?. ...
Smart Mask to Track Respiratory Sounds for Respiratory Disease Identification. Nov. 2, 2022 Researchers recently invented a ... which is capable of detecting respiratory sounds of breathing, coughing and ... New Fibers Can Make Breath-Regulating Garments ... Wearables Capture Body Sounds to Continuously Monitor Health. When We See What Others Do, Our Brain Sees Not What We See, but ... So it may increase the clarity of speech, but cause respiratory failure. The divers ability to work may then go down because ...
Respiratory adventitial sounds often are prominent.. Depending upon comorbid conditions or general health status, the patient ... Increasing hypoxemia with respiratory acidosis and advanced disease also leads to increased bronchodilator usage, thereby ... 3] and the first heart sound may be variable. The physical examination is not typically sufficient to differentiate multifocal ... Hemodynamic and respiratory changes. Chest. 1987 Jan. 91(1):68-70. [QxMD MEDLINE Link]. ...
Survey of respiratory sounds in infants. Arch Dis Child 2001;84:35-9. ... When a "wheeze" is not a wheeze: acoustic analysis of breath sounds in infants. Eur Respir J 2000;16:593-7. ... London and Respiratory Epidemiology & Public Health Group, National Heart & Lung Institute, Imperial College, London, UK. ... In a seminal report based on the Tucson Childrens Respiratory Study, Martinez and colleagues proposed three patterns of ...
Reference: Ensemble deep learning model for dimensionless respiratory airflow estimation using respiratory sound ... To process the respiratory sound, we used MATLAB 2021b. All deep learning models were developed using Python 3.8 with ...
Clinical Characteristics and Correlations of Respiratory Sounds. 6 March, 2014 Guillermo Firman ... Tags: caracteristicas, Characteristics, clinica, Clinical, correlacion, Correlations, respiratorios, Respiratory, sonidos, ... The clinical characteristics of normal and adventitious sounds are summarized.. Continue reading "Clinical Characteristics and ...
... respiratory sound may be the alerting sign. In cases with concurrent lower respiratory tract disease, stertor with audible ... Respiratory Conditions. Infectious Respiratory Disease. - Herpesvirus. - Influenza. - Dictyocaulus arnfieldi. Conditions of the ... However, in obese donkeys, respiratory sounds are often muffled by a thick layer of subcutaneous fat. Even after dieting, ... Respiratory Conditions. Infectious Respiratory Disease. The donkey is reported as having a different susceptibility to a number ...
RDQ100 - Chest sound wheezy during exercise. Variable Name: RDQ100 SAS Label: Chest sound wheezy during exercise English Text: ... Title: Respiratory Health (Y_RDQ ). Contact Number: 1-866-441-NCHS. Years of Content: 2012. First Published: September , 2013. ... Respiratory Health (Y_RDQ) Data File: Y_RDQ.xpt First Published: September , 2013. Last Revised: NA ... In the past 12 months, has {your/SPs} chest sounded wheezy during or after exercise or physical activity? Target: Both males ...
Respiratory: Abnormal breath sounds/wheezing.. Skin: Alopecia, erythema multiforme, Stevens-Johnson syndrome. ... Anaphylaxis, liver failure, renal failure, hypotension, adult respiratory distress syndrome, respiratory failure, myolysis, and ... acute onset respiratory diseases such as pneumonia, bronchitis, pharyngitis, or influenza; gastroenteritis; or reactions to ... respiratory symptoms (including dyspnea, cough, or pharyngitis). Almost all abacavir hypersensitivity reactions include fever ...
Respiratory: Difficulty in breathing? [Y] / Crackling breathing sounds? [Y]. 59.2/18.8. Other: Vomiting? [Y] / Diarrhea? [Y] / ...
  • These include normal breath sounds and adventitious or "added" sounds such as crackles, wheezes, pleural friction rubs, stertor, and stridor. (wikipedia.org)
  • In this paper, Computer Aided Lung Sound Analysis (CALSA) characterising crackles' Initial Deflection Width (IDW) and Two Cycle Deflection (2CD) is proposed as a potential objective, non-invasive, bedside outcome measure to assess the response to alveolar recruitment and airway clearance interventions. (soton.ac.uk)
  • The database consists of a total of 5.5 hours of recordings containing 6898 respiratory cycles, of which 1864 contain crackles, 886 contain wheezes, and 506 contain both crackles and wheezes, in 920 annotated audio samples from 126 subjects. (uc.pt)
  • The cycles were annotated by respiratory experts as including crackles, wheezes, a combination of them, or no adventitious respiratory sounds. (uc.pt)
  • Adventitious sounds are respiratory sounds superimposed on breath sounds which can be discontinuous (crackles) or continuous (wheezes). (uc.pt)
  • The present proposal holds the use of AI algorithms to identify respiratory sounds that are associated with respiratory diseases (crackles and wheezes), for this, the database Respiratory Sound Database from the ICBHI 2017 Challenge was employed. (urosario.edu.co)
  • Classification of normal and crackles respiratory sounds into healthy and lung cancer groups. (iium.edu.my)
  • Description and classification of the sounds usually involve auscultation of the inspiratory and expiratory phases of the breath cycle, noting both the pitch (typically described as low (≤200 Hz), medium or high (≥400 Hz)) and intensity (soft, medium, loud or very loud) of the sounds heard. (wikipedia.org)
  • Bahoura, M. (2009) Pattern recognition methods applied to respiratory sounds classification into normal and wheeze classes, Comput Biol Med 39 , 824-843. (springer.com)
  • Mazić, I., Bonković, M., and Džaja, B. (2015) Two-level coarse-to-fine classification algorithm for asthma wheezing recognition in children's respiratory sounds, Biomedical Signal Processing and Control 21 , 105-118. (springer.com)
  • Frequency analysis allows a more general classification between H and I. Sounds can be used in an alarm system based on an algorithm to identifies automatically cough sounds and provide early warning system for the farmer about the health status of his herd. (isca-speech.org)
  • For more about Sound Classification and the Sound Analysis framework, watch "Training Sound Classification Models in Create ML" from WWDC19. (apple.com)
  • Today, my colleague, Kevin, and I will introduce enhancements to sound classification made available through the SoundAnalysis framework and CreateML. (apple.com)
  • In 2019, we made it possible to train sound classification models using CreateML. (apple.com)
  • We showed it was easy to create sound classification models and to deploy them in Apple devices. (apple.com)
  • This is just one application of sound classification. (apple.com)
  • It's passing audio through a sound classifier and displaying the classification results in the UI. (apple.com)
  • It's never been easier to enable sound classification in your app. (apple.com)
  • It only takes a few lines of code to enable sound classification. (apple.com)
  • Using machine-learning algorithms and a high sensitivity soundwave sensor operable across a wide bandwidth, the smart mask has opened new avenues for its application in the identification of respiratory diseases, as well as a voice interaction tool. (innovationtoronto.com)
  • Advanced artificial intelligence technology enables the integrated mask to recognise different coughing and breathing patterns automatically, indicating its potential use to diagnose respiratory-related diseases in the future," said Professor Wang. (innovationtoronto.com)
  • Respiratory diseases are one of the leading causes of death worldwide, which also reduces the quality of life of the people who suffer from them. (urosario.edu.co)
  • The aim of this research is the comparison between acoustic features of cough sounds originating from infectious and non infectious diseases. (isca-speech.org)
  • Cardiac and respiratory diseases have many common features which can make diagnosis problematic. (vin.com)
  • Tachypnoea can occur with respiratory diseases but major confounding factors are the level of stress and excitement and the problem of panting in dogs. (vin.com)
  • In cats with orthopnoea the main considerations are severe asthma and pleural effusion (usually cardiac), but orthopnoea in dogs can be due to a variety of respiratory diseases and severe pulmonary oedema. (vin.com)
  • Several conditions can cause respiratory noise and distress in horses. (thehorse.com)
  • Athlete or Respiratory Distress? (thehorse.com)
  • Two populations of horses come in for evaluation of upper airway noise: athletic horses that are making noise while exercising and horses that are making noise while breathing but are in respiratory distress. (thehorse.com)
  • Clinical signs in unvaccinated birds include sudden death, lethargy, and respiratory distress. (merckvetmanual.com)
  • He had appeared well all day at the baby-sitter's until one hour after his last feeding when he was found to have the symptoms of respiratory distress. (hawaii.edu)
  • This infant has respiratory distress with hypoxia. (hawaii.edu)
  • What is respiratory distress syndrome? (uhhospitals.org)
  • Respiratory distress syndrome (RDS) is a common problem in premature babies. (uhhospitals.org)
  • Surfactant replacement may improve respiratory distress. (uhhospitals.org)
  • It's given to babies when they are showing significant respiratory distress. (uhhospitals.org)
  • The virus infects susceptible birds through the respiratory or digestive tract when they inhale contaminated dust or aerosolized virus or ingest contaminated materials. (merckvetmanual.com)
  • Feline upper respiratory tract disease refers to a viral infection that affects cats. (petplace.com)
  • Symptoms and signs of respiratory disorders include dyspnea (shortness of breath), chest pain, coughing, wheezing, sputum production, hemoptysis (coughing up blood from the respiratory tract), use of accessory muscles of respiration, and tachypnea (rapid rate of breathing). (ssa.gov)
  • Experiencing, or within 30 days of completion of treatment for, a lower respiratory tract infection. (ssa.gov)
  • NEW YORK (GenomeWeb News) - The molecular signatures associated with a child's immune response to respiratory syncytial virus may provide hints to the severity of lower respiratory tract infections the virus causes, according to a new study in PLOS Medicine . (genomeweb.com)
  • T]his study provides evidence of the profound systemic dysregulation of both the innate and adaptive immune response induced by RSV infection in children," Ramilo and his co-authors wrote, "and confirms the value of gene expression profiling as a practical and powerful strategy to objectively stratify children with acute RSV [lower respiratory tract infections]. (genomeweb.com)
  • Although lower respiratory tract infections involving RSV can become quite severe in infants and children, the researchers noted, there is currently no accurate way of predicting which cases will lead to hospitalization and other forms of advanced care. (genomeweb.com)
  • The signature also distinguished between samples from infants with RSV and those with other types of respiratory tract infections - including those caused by the influenza virus or human rhinovirus - with around 94 percent sensitivity and 98 percent specificity. (genomeweb.com)
  • Hemoptysis Hemoptysis is coughing up of blood from the respiratory tract. (msdmanuals.com)
  • Auscultation-based diagnosis of pulmonary disorders relies heavily on the presence of adventitious sounds and on the altered transmission characteristics of the chest wall. (uc.pt)
  • Cough is a symptom and central element for diagnosis of very common respiratory affection causes of death and loss of productivity in intensive pig farms. (isca-speech.org)
  • Respiratory syncytial virus (RSV) is a very common virus that leads to mild, cold-like symptoms in adults and older healthy children. (medlineplus.gov)
  • Wheezes are acoustic, adventitious, continues and high pitch pulmonary sounds produce due to airway obstruction, these sounds mostly exist in pneumonia and asthma patients. (springer.com)
  • Wheezes are high pitched sounds that occur due to a narrowing of the airways. (medicalnewstoday.com)
  • Breath sounds are faint throughout the chest, without auscultatory rales, wheezes, or stridor heard. (hawaii.edu)
  • However, it is possible for the pulmonary tissue to fill with fluid, and fluid conducts sounds more efficiently than air. (medicalnewstoday.com)
  • Patients with MAT frequently have significant comorbidities, especially chronic obstructive pulmonary disease (COPD) and respiratory failure, and are often treated in ICUs. (medscape.com)
  • A harsh cough is more likely to be respiratory, but soft coughing can be due either to pulmonary oedema or lung parenchymal disease. (vin.com)
  • Hyperpnoea is more likely to be associated with severe pulmonary oedema or pleural effusion, as severe respiratory disease cases tend to adopt a slow purposeful deep respiratory pattern (true laboured breathing) to improve ventilation, but with minor stress breathing can become rapid and laboured. (vin.com)
  • 3. Performs assessment of residents' cardiopulmonary status utilizing physical assessment and history taking skills, laboratory findings, radiological studies of the chest, pulmonary function testing and professional judgment to formulate a respiratory care plan upon the order of a physician. (snagajob.com)
  • Overview of Tests of Pulmonary Function Pulmonary function tests provide measures of airflow, lung volumes, gas exchange, response to bronchodilators, and respiratory muscle function. (msdmanuals.com)
  • T. Köhnlein was funded with a long-term research fellowship from the European Respiratory Society. (ersjournals.com)
  • Oud, M., Dooijes, E. H., and van der Zee, J. S. (2000) Asthmatic airways obstruction assessment based on detailed analysis of respiratory sound spectra, IEEE Trans Biomed Eng 47 , 1450-1455. (springer.com)
  • Objective: This paper describes the state of the art, scientific publications, and ongoing research related to the methods of analysis of respiratory sounds. (medandlife.org)
  • Normal breath sounds can also be identified by patterns of sound duration and the quality of the sound as described in the table below: Common types of abnormal breath sounds include the following: Rales: Small clicking, bubbling, or rattling sounds in the lungs. (wikipedia.org)
  • Wheezing and other abnormal sounds can sometimes be heard without a stethoscope. (wikipedia.org)
  • The lungs are usually air filled, but if there is an abnormal solid component due to infection, fluid, or tumor, the higher frequencies of the "E" sound will be diminished. (wikipedia.org)
  • In this research, we have applied Fourier analysis for the visual inspection of abnormal respiratory sounds. (staffs.ac.uk)
  • Spectrum analysis was done through Artificial Noise Addition (ANA) in conjunction with different deep convolutional neural networks (CNN) to classify the seven abnormal respiratory sounds-both continuous (CAS) and discontinuous (DAS). (staffs.ac.uk)
  • The obtained results using the proposed framework are superior to previous techniques since we simultaneously considered the seven different abnormal respiratory sound classes. (staffs.ac.uk)
  • They can be normal or abnormal, depending on where the sound emanates from and when it occurs in the breathing cycle. (medicalnewstoday.com)
  • This article describes what bronchial sounds are and the features that classify them as normal or abnormal. (medicalnewstoday.com)
  • We also list different types of abnormal breathing sounds along with their associated causes and treatments. (medicalnewstoday.com)
  • Amphoric respiration is a type of abnormal bronchial breathing that creates a strong reverberating sound with high pitched overtones. (medicalnewstoday.com)
  • Various health conditions can cause abnormal lung sounds. (medicalnewstoday.com)
  • It also demonstrated that the smart mask could detect and differentiate three common respiratory functions: breathing, coughing and speaking. (innovationtoronto.com)
  • So it may increase the clarity of speech, but cause respiratory failure. (sciencedaily.com)
  • We evaluate respiratory disorders that result in obstruction (difficulty moving air out of the lungs) or restriction (difficulty moving air into the lungs), or that interfere with diffusion (gas exchange) across cell membranes in the lungs. (ssa.gov)
  • We also use listings in this body system to evaluate respiratory failure resulting from an underlying chronic respiratory disorder ( 103.04E or 103.14 ) and lung transplantation ( 103.11 ). (ssa.gov)
  • These included operating a national health screening program for coal miners and conducting a national study to evaluate respiratory disease in coal miners. (cdc.gov)
  • Oud, M. (2003) Lung function interpolation by means of neural-network-supported analysis of respiration sounds, Med Eng Phys 25 , 309-316. (springer.com)
  • Observe and chart: pulse, respiration, breath sounds (number and quality), and resident's general appearance, including breathing exercises and teaching and training to residents. (snagajob.com)
  • Rhonchi are coarse rattling respiratory sounds, usually caused by secretions in bronchial airways. (wikipedia.org)
  • Rhonchi are harsh, rattling sounds that resemble snoring. (medicalnewstoday.com)
  • Respiratory sounds, also known as lung sounds or breath sounds, refer to the specific sounds generated by the movement of air through the respiratory system. (wikipedia.org)
  • Normal breath sounds are classified as vesicular, bronchovesicular, bronchial or tracheal based on the anatomical location of auscultation. (wikipedia.org)
  • Decreased breath sound over left lung (5/6). (ers-education.org)
  • Bronchial breath sounds are loud, harsh breath sounds with a midrange pitch. (medicalnewstoday.com)
  • The two main types of breath sounds are bronchial and vesicular. (medicalnewstoday.com)
  • Tubular breath sounds are a type of high pitched bronchial breath sound. (medicalnewstoday.com)
  • Cavernous breath sounds are low pitched bronchial breath sounds. (medicalnewstoday.com)
  • Observes resident's respiratory rate and pattern, pulse, breath sounds, reaction to medication, any difficulty with therapy during and after treatment. (snagajob.com)
  • Breath sounds were described as faint throughout the chest rather than unequal. (hawaii.edu)
  • Yes, infants with tension pneumothorax rarely have unequal breath sounds. (hawaii.edu)
  • The intrathoracic volume of the infant's chest is so small and the mediastinum is so mobile that decreased ventilation due to free air compressing both lungs usually results in distant or faint breath sounds and decreased chest movement bilaterally, rather than the differential findings between the two sides seen in adults. (hawaii.edu)
  • However, 27 of these cases had breath sounds. (bvsalud.org)
  • Respiratory muscle weakness with shortness of breath may be present. (medscape.com)
  • In the past 12 months, has {your/SP's} chest sounded wheezy during or after exercise or physical activity? (cdc.gov)
  • In order to explore the relationship between bronchial hyperresponsiveness (BHR) to inhaled histamine, respiratory symptoms and diagnosed asthma in children, we undertook a cross-sectional study of 2363 Australian schoolchildren aged 8-11 years. (nih.gov)
  • Although there was a good association between BHR and respiratory symptoms, questionnaire data of wheeze and diagnosed asthma do not reflect accurately the level of BHR in the community. (nih.gov)
  • In a seminal report based on the Tucson Children's Respiratory Study, Martinez and colleagues proposed three patterns of wheezing during the first 6 years of life 6 leading to the concepts of transient early wheezing in the first 3 years, non-atopic wheezing in the preschool years and IgE-mediated wheeze or asthma. (bmj.com)
  • Risk factors for asthma include a family history of allergic disease, the presence of allergen-specific immunoglobulin E (IgE), viral respiratory illnesses , exposure to aeroallergens , cigarette smoke, obesity , and lower socioeconomic status. (medscape.com)
  • A research team led by the City University of Hong Kong (CityU) recently invented a smart mask, integrating an ultrathin nanocomposite sponge structure-based soundwave sensor, which is capable of detecting respiratory sounds of breathing, coughing and speaking. (innovationtoronto.com)
  • This smart mask utilises our self-developed, high-sensitivity, wide-bandwidth flexible sensor that can detect and record daily human respiratory activity, such as breathing, coughing and speaking for cloud data storage," explained Professor Li. (innovationtoronto.com)
  • Coughing is a cardinal sign of respiratory disease in the dog and cat, but in the dog it is also commonly seen with cardiac disease. (vin.com)
  • In contrast, cats rarely cough with heart disease, and if coughing is present in cardiac cases it is usually presumed to indicate that concurrent respiratory disease is present. (vin.com)
  • Coughing will be exacerbated by exercise, excitement, lead pulling and resting (nocturnal coughing) irrespective of whether the cause is cardiac or respiratory. (vin.com)
  • Sounds like she might have been sneezing/coughing. (kingsnake.com)
  • We also compared respiratory sounds pre-treatment and during coughing events. (bvsalud.org)
  • Signs of respiratory difficulty include tachypnea, use of accessory respiratory muscles (sternocleidomastoids, intercostals, scalenes) to breathe, intercostal retractions, and paradoxical breathing. (msdmanuals.com)
  • Respiratory: Difficulty in breathing? (cdc.gov)
  • In the clinical setting the difficulty can be in deciding if a primary respiratory condition or cardiac condition is present, and is this alone the explanation for the clinical signs, or might disease of both systems be contributing to the clinical presentation. (vin.com)
  • These may be easily audible or identified through auscultation of the respiratory system through the lung fields with a stethoscope as well as from the spectral characteristics of lung sounds. (wikipedia.org)
  • Respiratory sounds contain relevant information about the structure and function of the respiratory system and are generally classified as normal or adventitious. (uc.pt)
  • Such training may include exercising the breathing muscles-pumping iron for the respiratory system. (sciencedaily.com)
  • The respiratory system of the donkey is in most respects similar to that of any small horse. (ivis.org)
  • The respiratory health and disease questionnaire was asked in the home, by trained interviewers, using the Computer-Assisted Personal Interviewing (CAPI) system. (cdc.gov)
  • General sources, like the heating, ventilation, and air-conditioning system, contribute to high baseline noise and high-volume (>10 L/min) respiratory-support devices generate additional high noise (>60 dBA) in Intensive Care Unit patient rooms. (cdc.gov)
  • It is not surprising that an interaction exists between the cardiovascular and respiratory system as they are closely linked in terms of anatomy and function. (vin.com)
  • We evaluate cancers affecting the respiratory system under the listings in 113.00 . (ssa.gov)
  • Although the entire body is affected by cyanide exposure, adverse effects on the central nervous system are of the most consequence to the organism because of the high metabolic demand for oxygen in neurons and its control of respiratory function. (cdc.gov)
  • Initial stimulation of carotid and aortic bodies and effects on the central nervous system adversely affect the function of the respiratory system, which contributes to the global histiotoxic hypoxia leading to death. (cdc.gov)
  • We utilized a prototype acoustic monitoring system to assess fluid retention in the upper airway by analysing inspiratory sounds. (bvsalud.org)
  • The differences resulting from the sound analysis confirmed variability in acoustics parameters according to a state of health or disease. (isca-speech.org)
  • However, there are a number of significant features peculiar to the donkey that practitioners should be aware of when attempting to investigate and treat respiratory disease. (ivis.org)
  • An increase in respiratory rate is a very sensitive indicator of developing cardiac decompensation in a case known to have cardiac disease, and is a sign owners should be trained to observe. (vin.com)
  • It can be easier to recognise that some forms of dyspnoea are due to respiratory disease. (vin.com)
  • This is more likely to be associated with cardiac disease than respiratory disease simply because despite congestive heart failure the dog is still interested in exercising. (vin.com)
  • This is the 50th anniversary of our establishment in 1967 as the Appalachian Laboratory for Occupational Respiratory Disease (ALFORD) within the U.S. Public Health Service. (cdc.gov)
  • ALFORD subsequently joined NIOSH in 1971, changed into the Division of Respiratory Disease Studies (DRDS) in 1977, and then became the Respiratory Health Division (RHD) in 2015. (cdc.gov)
  • But one thing is unchanged - the importance of our efforts to prevent work-related respiratory disease and improve workers' respiratory health. (cdc.gov)
  • Its first priority was to prevent occupational respiratory disease in coal miners. (cdc.gov)
  • Subsequently, responsibilities assigned from the Occupational Safety and Health Act of 1970 expanded the group's mission to advance prevention of work-related respiratory disease across the spectrum of occupations and industries. (cdc.gov)
  • Respiratory disease is still a leading cause of illness and death, and work exposures, including new and emerging ones, are significant contributors. (cdc.gov)
  • The symposium will be held in WVU's Health Sciences Center and will bring together a multidisciplinary group of occupational health scientists to discuss national and state-specific issues related to occupational health, with a special focus on preventing occupational respiratory disease. (cdc.gov)
  • Further information on the symposium will be posted on our new Respiratory Health at Work directory webpage, which also provides up-to-date information and links to the various programs within RHD and across NIOSH related to the prevention of work-related respiratory disease. (cdc.gov)
  • Stridor: Wheeze-like sound heard when a person breathes. (wikipedia.org)
  • Stridor is a high pitched sound that occurs as a result of blocked airflow in the windpipe or the back of the throat. (medicalnewstoday.com)
  • inproceedings{ferrari07_maveba, author={Sara Ferrari and Mitchell Silva and Marcella Guarino and Daniel Berckmans}, title={{Characterisation of cough sounds to monitor respiratory infections in intensive pig farming}}, year=2007, booktitle={Proc. (isca-speech.org)
  • In particular, they are examining the work of the respiratory muscles and associated changes in the larynx (the upper part of the trachea that contains the vocal cords). (sciencedaily.com)
  • Trunk, bulbar, and respiratory muscles can be affected as well. (medscape.com)
  • Patterns of wheezing during early childhood may indicate differences in aetiology and prognosis of respiratory illnesses. (bmj.com)
  • This document specifies laboratory test methods for measuring the sound pressure level generated by the respiratory protective device (RPD) and by RPD warning devices, measured on a headform to which the RPD is fitted. (iso.org)
  • The documents below provide guidance on sound surveillance methods that can foster consistency in practice and can result in data that are more accurate and comparable. (cdc.gov)
  • What are bronchial sounds? (medicalnewstoday.com)
  • Bronchial sounds, or "tubular sounds," are the type of sounds that a person may make while breathing. (medicalnewstoday.com)
  • It is normal for a doctor to hear bronchial sounds over the trachea as a person breathes out. (medicalnewstoday.com)
  • However, bronchial sounds emanating from other areas could signal an underlying issue with the lungs. (medicalnewstoday.com)
  • As such, hearing bronchial sounds within the lungs themselves could signal fluid in the lungs. (medicalnewstoday.com)
  • Wheezing: High-pitched sounds produced by narrowed airways. (wikipedia.org)
  • Doctors classify these sounds according to their intensity and pitch and whether they occur when breathing in or out. (medicalnewstoday.com)
  • Explore how you can use the Sound Analysis framework in your app to detect and classify discrete sounds from any audio source - including live sounds from a microphone or from a video or audio file - and identify precisely in a moment where that sound occurs. (apple.com)
  • We can classify sounds of domestic animals, livestock animals, and wild animals. (apple.com)
  • At the front of the room, Sara, renowned sound therapist and meditation teacher, sits calmly, as tranquil as a praying monk. (organicspamagazine.com)
  • We need medical evidence to document and assess the severity of your respiratory disorder. (ssa.gov)
  • If you use supplemental oxygen , we still need medical evidence to establish the severity of your respiratory disorder. (ssa.gov)
  • 2017 is an important year for the National Institute for Occupational Safety and Health's (NIOSH) Respiratory Health Division (RHD). (cdc.gov)
  • In reflecting on past accomplishments and planning for the future, RHD is co-sponsoring an occupational respiratory symposium on August 10, 2017 with West Virginia University (WVU), a long-time partner celebrating its own 25th anniversary of WVU's Occupational Medicine Training Program. (cdc.gov)
  • Artificial intelligence techniques have been extensively used for wheeze sound analysis to diagnose patient. (springer.com)
  • Most of the database consists of audio samples recorded by the School of Health Sciences, University of Aveiro (ESSUA) research team at the Respiratory Research and Rehabilitation Laboratory (Lab3R), ESSUA and at Hospital Infante D. Pedro, Aveiro, Portugal. (uc.pt)
  • In future, CALSA may be useful for assessing and monitoring respiratory interventions in clinical settings. (soton.ac.uk)
  • The clinical characteristics of normal and adventitious sounds are summarized. (medicalcriteria.com)
  • Similarly, a reduction in respiratory rate suggests clinical improvement. (vin.com)
  • As for equine athletes that come in with audible respiratory sounds, many have an anatomic abnormality causing the noise, says Gray. (thehorse.com)
  • Experiencing, or within 30 days of completion of treatment for, an acute exacerbation (temporary worsening) of a chronic respiratory disorder. (ssa.gov)
  • The typical patient with Guillain-Barré syndrome (GBS), which in most cases will be acute inflammatory demyelinating polyradiculoneuropathy (AIDP), presents 2-4 weeks following a relatively benign respiratory or gastrointestinal illness with complaints of finger dysesthesias and proximal muscle weakness of the lower extremities. (medscape.com)
  • CPAP requires a spontaneously breathing patient and will be ineffective for central apnoeas, whereas timed bilevel ventilation is able to ventilate a patient even in the absence of spontaneous respiratory effort. (ersjournals.com)
  • The authors hypothesised that bilevel ventilation might be more effective than CPAP in terms of reducing pathological respiratory events and be better tolerated by patients. (ersjournals.com)
  • This ultra-lightweight wearable technology also has the potential to improve personal and public health by enabling prolonged and systematic respiratory health monitoring in daily life. (innovationtoronto.com)
  • The team validated that signature in three more groups of American or Finnish infants with lower respiratory infections, before narrowing in on expression patterns that proved useful for distinguishing the most serious RSV cases - in particular, those that involved extensive hospital stays or supplemental oxygen treatments. (genomeweb.com)