An imprecise term which may refer to a sense of spatial disorientation, motion of the environment, or lightheadedness.
An illusion of movement, either of the external world revolving around the individual or of the individual revolving in space. Vertigo may be associated with disorders of the inner ear (EAR, INNER); VESTIBULAR NERVE; BRAINSTEM; or CEREBRAL CORTEX. Lesions in the TEMPORAL LOBE and PARIETAL LOBE may be associated with FOCAL SEIZURES that may feature vertigo as an ictal manifestation. (From Adams et al., Principles of Neurology, 6th ed, pp300-1)
Pathological processes of the VESTIBULAR LABYRINTH which contains part of the balancing apparatus. Patients with vestibular diseases show instability and are at risk of frequent falls.
A number of tests used to determine if the brain or balance portion of the inner ear are causing dizziness.
Idiopathic inflammation of the VESTIBULAR NERVE, characterized clinically by the acute or subacute onset of VERTIGO; NAUSEA; and imbalance. The COCHLEAR NERVE is typically spared and HEARING LOSS and TINNITUS do not usually occur. Symptoms usually resolve over a period of days to weeks. (Adams et al., Principles of Neurology, 6th ed, p304)
A disease of the inner ear (LABYRINTH) that is characterized by fluctuating SENSORINEURAL HEARING LOSS; TINNITUS; episodic VERTIGO; and aural fullness. It is the most common form of endolymphatic hydrops.
Involuntary movements of the eye that are divided into two types, jerk and pendular. Jerk nystagmus has a slow phase in one direction followed by a corrective fast phase in the opposite direction, and is usually caused by central or peripheral vestibular dysfunction. Pendular nystagmus features oscillations that are of equal velocity in both directions and this condition is often associated with visual loss early in life. (Adams et al., Principles of Neurology, 6th ed, p272)
The symptom of PAIN in the cranial region. It may be an isolated benign occurrence or manifestation of a wide variety of HEADACHE DISORDERS.
Hyperextension injury to the neck, often the result of being struck from behind by a fast-moving vehicle, in an automobile accident. (From Segen, The Dictionary of Modern Medicine, 1992)
A POSTURE in which an ideal body mass distribution is achieved. Postural balance provides the body carriage stability and conditions for normal functions in stationary position or in movement, such as sitting, standing, or walking.
Involuntary rhythmical movements of the eyes in the normal person. These can be naturally occurring as in end-position (end-point, end-stage, or deviational) nystagmus or induced by the optokinetic drum (NYSTAGMUS, OPTOKINETIC), caloric test, or a rotating chair.
Disorders of the special senses (i.e., VISION; HEARING; TASTE; and SMELL) or somatosensory system (i.e., afferent components of the PERIPHERAL NERVOUS SYSTEM).
A transient loss of consciousness and postural tone caused by diminished blood flow to the brain (i.e., BRAIN ISCHEMIA). Presyncope refers to the sensation of lightheadedness and loss of strength that precedes a syncopal event or accompanies an incomplete syncope. (From Adams et al., Principles of Neurology, 6th ed, pp367-9)
Pathological processes of the inner ear (LABYRINTH) which contains the essential apparatus of hearing (COCHLEA) and balance (SEMICIRCULAR CANALS).
Methods and procedures for the diagnosis of diseases of the ear or of hearing disorders or demonstration of hearing acuity or loss.
Fluids found within the osseous labyrinth (PERILYMPH) and the membranous labyrinth (ENDOLYMPH) of the inner ear. (From Gray's Anatomy, 30th American ed, p1328, 1332)
A significant drop in BLOOD PRESSURE after assuming a standing position. Orthostatic hypotension is a finding, and defined as a 20-mm Hg decrease in systolic pressure or a 10-mm Hg decrease in diastolic pressure 3 minutes after the person has risen from supine to standing. Symptoms generally include DIZZINESS, blurred vision, and SYNCOPE.
Disorder caused by motion, as sea sickness, train sickness, car sickness, air sickness, or SPACE MOTION SICKNESS. It may include nausea, vomiting and dizziness.
Pathological processes of the ear, the nose, and the throat, also known as the ENT diseases.
Elicitation of a rotatory nystagmus by stimulating the semicircular canals with water or air which is above or below body temperature. In warm caloric stimulation a rotatory nystagmus is developed toward the side of the stimulated ear; in cold, away from the stimulated side. Absence of nystagmus indicates the labyrinth is not functioning.
An unpleasant sensation in the stomach usually accompanied by the urge to vomit. Common causes are early pregnancy, sea and motion sickness, emotional stress, intense pain, food poisoning, and various enteroviruses.
Falls due to slipping or tripping which may result in injury.
An oval, bony chamber of the inner ear, part of the bony labyrinth. It is continuous with bony COCHLEA anteriorly, and SEMICIRCULAR CANALS posteriorly. The vestibule contains two communicating sacs (utricle and saccule) of the balancing apparatus. The oval window on its lateral wall is occupied by the base of the STAPES of the MIDDLE EAR.

An analysis of referral patterns for dizziness in the primary care setting. (1/421)

BACKGROUND: The majority of balance disorders are non life-threatening and symptoms will resolve spontaneously. However, some patients require further investigation and many disorders may benefit from specialist treatment it is unclear whether appropriate identification and referral of this group of patients presently occurs. AIM: To review the management of patients with symptoms of dizziness within primary care. METHOD: A retrospective review of the management of 503 patients who visited their general practitioner (GP) complaining of dizziness between August 1993 and July 1995. Management was then compared with local criteria. RESULTS: On average, 2.2% of patients per year at the practices studied consulted their GP about dizziness, amounting to 0.7% of all consultations. The most common GP diagnosis was of an ear, nose, and throat (ENT) disorder (33.8%). Similarly, many of the 16% referred were directed to ENT (36%) specialists. The proportion of patients referred was significantly higher in those seeing their GP at least twice, those with symptoms lasting a year or more, or where there were additional symptoms associated with the dizziness, indicative of a cardiac, ENT, or neurological disorder. Compared with the local criteria, 17% of management decisions were deemed inappropriate. The major failing was not referring appropriate patients. This group comprised patients with chronic, non-urgent symptoms, and were significantly older than those appropriately referred. CONCLUSION: Patients with chronic symptoms of dizziness, particularly the elderly, are under-referred for specialist consultation and, therefore, do not have access to appropriate treatment regimes. This suggests a need for further training of GPs and evaluation of therapeutic needs of elderly dizzy patients.  (+info)

Combination of calcium channel blockers and beta-adrenoceptor blockers for patients with exercise-induced angina pectoris: a double-blind parallel-group comparison of different classes of calcium channel blockers. Netherlands Working Group on Cardiovascular Research (WCN). (2/421)

AIMS: The combination of calcium channel blockers and beta-adrenoceptor blockers is more effective for the treatment of exercise-induced angina pectoris than beta-adrenoceptor blocker monotherapy. As ischaemia in exercise-induced angina is preceded by increase in heart rate, calcium channel blockers with negative chronotropic properties may perform better for this purpose than nonchronotropic compounds. METHODS: A 335 patient double-blind parallel-group study comparing 14 day treatment with amlodipine 5 and 10 mg, with diltiazem 200 and 300 mg, and mibefradil 50 and 100 mg added to baseline beta-adrenoceptor blocker treatment was performed. Exercise testing (ETT) was performed by bicycle ergometry. RESULTS: Although none of the calcium channel blockers improved duration of exercise or amount of workload, all significantly delayed onset of 1 mm ST-segment depression on ETT (P<0.001 for any treatment vs baseline). In addition, mibefradil, both low and high dose treatment, produced the longest delays (low dose: different from diltiazem and amlodipine by 24.1 and 29.8 s, respectively, P<0. 003 and <0.001; high dose: different from diltiazem and amlodipine by 33.7 and 37.0 s, respectively, P<0.001 and <0.001). These effects were linearly correlated with the reduction in rate pressure product (RPP). Serious symptoms of dizziness occurred significantly more frequently on mibefradil (P<0.05), and 19 patients on mibefradil withdrew from trial. CONCLUSIONS: Calcium channel blockers with negative chronotropic properties provide greater delay of ischaemia in patients with exercise-induced angina, but the concomitant risk of intolerable dizziness attenuates this benefit.  (+info)

The influence of CYP2D6 activity on the kinetics of propafenone enantiomers in Chinese subjects. (3/421)

AIMS: To determine role of CYP2D6 activity in the pharmacokinetics of propafenone (PPF) enantiomers in native Chinese subjects. METHODS: Sixteen extensive metabolizers (EMs) and one poor metabolizer (PM), whose phenotype had been previously assessed with dextromethorphan metabolic phenotyping, were enrolled. Blood samples (0 approximately 15 h) were taken after oral administration of a single dose (400 mg) of racemic-propafenone hydrochloride. A reverse-phase h.p.l.c. method with pre-column derivatization was employed to quantitate enantiomeric concentrations of propafenone in plasma. RESULTS: For the EM subjects, S-PPF was less rapidly metabolized and had higher peak plasma concentrations than R-PPF (413+/-143 vs 291+/-109 ng ml-1, P<0.001). The AUC was markedly higher for S-PPF than for R-PPF (2214+/-776 vs 1639+/-630 microg h l-1, P<0.001), whereas the clearance of S-PPF was significantly lower than that of R-PPF (96.0+/-39.0 vs 138+/-78 l h-1, P<0.01). There were no differences in t1/2, and Cmax between the two isomers (P >0.05). In the one PM subject, not only did S-PPF appear to undergo less rapid metabolism than R-PPF, but the subject also showed 2 approximately 3 fold differences in Cmax, CL and AUC compared with EMs. The correlation coefficients (rs ) between dextromethorphan metabolic ratio (lg MR) and pharmacokinetic parameters (Cmax, CL and AUC) were 0.63, -0.87, 0.87 for S-PPF and 0. 57, -0.73, 0.86 for R-PPF, respectively. CONCLUSIONS: Our results suggest that CYP2D6 activity contributes to the pharmacokinetic variability of propafenone enantiomers in Chinese subjects.  (+info)

Outcome of symptoms of dizziness in a general practice community sample. (4/421)

BACKGROUND: Dizziness is commonly experienced in the community, but little is known about the long-term progression of the condition. OBJECTIVE: We aimed to assess over 18 months the outcome of symptoms of dizziness in a sample of patients identified from London general practices. METHOD: We followed up at 18 months a cohort of patients who reported symptoms of dizziness with or without anxiety, panic reactions or avoidance of situations that provoked the symptoms. The subjects completed a structured questionnaire both at baseline and at 18 months. RESULTS: At 18 months, 24% (95% CI = 23.5-34.8%) were more handicapped and 20% (95% CI = 15.2-25.2%) had recurrent dizziness, while 20% (95% CI = 14.9-24.8%) had improved. Patients with significant dizziness were more likely to consult their GP (OR = 14.4, 95% CI = 7.0-29.1) and were more likely to receive treatment (OR = 7.8, 95% CI = 3.2-22.4) or be referred to hospital (OR = 8.4, 95% CI = 3.2-22.4). The independent predictors of handicapping dizziness at 18 months were a history of fainting (OR = 2.4, 95% CI = 1.2-4.7), vertigo (OR = 2.6, 95% CI = 1.3-5.0) and avoidance of a situation that provoke dizziness (OR = 4.8, 95% CI = 2.5-9.0). CONCLUSION: Four per cent of all patients registered with a GP suffer persistent symptoms of dizziness and at least 3% are severely incapacitated by their symptoms. The presence of vertigo, fainting and avoidance in a person with dizziness is predictive of chronic handicapping dizziness. Further research is required on the progressions of symptoms of dizziness in a sample of GP attenders and those in the community.  (+info)

Effects of sibutramine alone and with alcohol on cognitive function in healthy volunteers. (5/421)

AIMS: To investigate the effects of sibutramine in combination with alcohol in a double-blind, randomised, placebo-controlled, four-way crossover study in 20 healthy volunteers. METHODS: On each study day each volunteer received either: sibutramine 20 mg+0.5 g kg-1 alcohol; sibutramine 20 mg+placebo alcohol; placebo capsules+0.5 g kg-1 alcohol; or placebo capsules+placebo alcohol. Alcohol was administered 2 h following ingestion of the study capsules. During each study day, assessments of cognitive performance were made prior to dosing, and at 3, 4.5, 6 and 10 h post dosing. Blood alcohol concentration was estimated using a breath alcometer immediately prior to each cognitive performance test session. Each study day was followed by a minimum 7 day washout period. RESULTS: Alcohol was found to produce statistically significant impairments in tests of attention (maximum impairment to speed of digit vigilance=49 ms) and episodic memory (maximum impairment to speed of word recognition=74 ms). Alcohol also increased body sway (maximum increase 17.4 units) and lowered self rated alertness (maximum decrease 13.6 mm). These effects were produced by an inferred blood alcohol level of 53.2 mg dl-1. Sibutramine was not found to potentiate any of the effects of alcohol. There was a small, yet statistically significant, interaction effect observed on the sensitivity index of the picture recognition task. In this test, the combined effects of sibutramine and alcohol were smaller than the impairments produced by alcohol alone. Sibutramine, when dosed alone, was associated with improved performance on several tasks. Sibutramine improved attention (mean speed of digit vigilance improved by 21 ms), picture recognition speed (improvement at 3=81) and motor control (tracking error at 3 h reduced by 1.58 mm). Also sibutramine improved postural stability (reducing body sway at 3 h by 14.2 units). Adverse events reported were unremarkable and consistent with the known pharmacology of sibutramine and alcohol. CONCLUSIONS: There was little evidence of a clinically relevant interaction of sibutramine with the impairment of cognitive function produced by alcohol in healthy volunteers. The single statistically significant interaction indicated a reduction, rather than a worsening, of alcohol-induced impairment when sibutramine is taken concomitantly. Sibutramine when administered alone is associated with improved performance on several tasks.  (+info)

The work by the developing primary care team in China: a survey in two cities. (6/421)

BACKGROUND: China is in the process of converting its existing primary care resources into general practice. The infrastructure is different from that of many other countries. OBJECTIVES: We surveyed patients' reasons for encounter (RFE) and the health providers' diagnoses in the general practice clinics of two large northern cities in order to assess the nature of the work of these practices. METHOD: Practices whose staff had a short course of training in the theory and practice of the International Classification of Primary Care (ICPC) were recruited to document the RFE and diagnoses of patient encounters in two separate winter weeks. RESULTS: The practices dealt mainly with chronic illness in older patients. Hypertension-related problems were the most frequent diagnoses, followed by upper respiratory tract infection. Patients also consulted very frequently for dizziness. Overall, there was good agreement between RFE and diagnosis in some organ systems. CONCLUSION: In their present form, the Chinese practices surveyed were delivering the full range of general practice care to a self-selected age group of patients. The ICPC was very useful for monitoring the work of general practice from the perspective of both the patients and the providers.  (+info)

Effect of sleep restriction on orthostatic cardiovascular control in humans. (7/421)

We hypothesized that sleep restriction (4 consecutive nights, 4 h sleep/night) attenuates orthostatic tolerance. The effect of sleep restriction on cardiovascular responses to simulated orthostasis, arterial baroreflex gain, and heart rate variability was evaluated in 10 healthy volunteers. Arterial baroreflex gain was determined from heart rate responses to nitroprusside-phenylephrine injections, and orthostatic tolerance was tested via lower body negative pressure (LBNP). A Finapres device measured finger arterial pressure. No difference in baroreflex function, heart rate variability, or LBNP tolerance was observed with sleep restriction (P > 0.3). Systolic pressure was greater at -60 mmHg LBNP after sleep restriction than before sleep restriction (110 +/- 6 and 124 +/- 3 mmHg before and after sleep restriction, respectively, P = 0.038), whereas heart rate decreased (108 +/- 8 and 99 +/- 8 beats/min before and after sleep restriction, respectively, P = 0.028). These data demonstrate that sleep restriction produces subtle changes in cardiovascular responses to simulated orthostasis, but these changes do not compromise orthostatic tolerance.  (+info)

Capture and fusion beats during atrial fibrillation and ventricular tachycardia. (8/421)

Two patients were presented, and two previously unreported observations were made. Patient 1, a 50 year old man with episodic palpitations and dizziness for 10 years, exhibited initiation of idiopathic ventricular tachycardia (VT) by atrial fibrillation (AF). Patient 2, a 43 year old woman with a structurally normal heart but recurrent palpitations for one year, demonstrated fusion and capture beats during simultaneous VT and AF. An explanation is given as to why the latter phenomenon is rarely observed.  (+info)

Dizziness is a term used to describe a range of sensations, such as feeling lightheaded, faint, unsteady, or a false sense of spinning or moving. Medically, dizziness is often described as a non-specific symptom that can be caused by various underlying conditions or factors. These may include:

1. Inner ear disorders (such as benign paroxysmal positional vertigo, labyrinthitis, vestibular neuronitis, or Meniere's disease)
2. Cardiovascular problems (like low blood pressure, arrhythmias, or orthostatic hypotension)
3. Neurological issues (such as migraines, multiple sclerosis, or stroke)
4. Anxiety disorders and panic attacks
5. Side effects of medications
6. Dehydration or overheating
7. Infections (like viral infections or bacterial meningitis)
8. Head or neck injuries
9. Low blood sugar levels (hypoglycemia)

It is essential to consult a healthcare professional if you experience persistent dizziness, as it can be a sign of a more severe underlying condition. The appropriate treatment will depend on the specific cause of the dizziness.

Vertigo is a specific type of dizziness characterized by the sensation that you or your surroundings are spinning or moving, even when you're perfectly still. It's often caused by issues with the inner ear or the balance-sensing systems of the body. Vertigo can be brought on by various conditions, such as benign paroxysmal positional vertigo (BPPV), labyrinthitis, vestibular neuritis, Meniere's disease, and migraines. In some cases, vertigo may also result from head or neck injuries, brain disorders like stroke or tumors, or certain medications. Treatment for vertigo depends on the underlying cause and can include specific exercises, medication, or surgery in severe cases.

Vestibular diseases are a group of disorders that affect the vestibular system, which is responsible for maintaining balance and spatial orientation. The vestibular system includes the inner ear and parts of the brain that process sensory information related to movement and position.

These diseases can cause symptoms such as vertigo (a spinning sensation), dizziness, imbalance, nausea, and visual disturbances. Examples of vestibular diseases include:

1. Benign paroxysmal positional vertigo (BPPV): a condition in which small crystals in the inner ear become dislodged and cause brief episodes of vertigo triggered by changes in head position.
2. Labyrinthitis: an inner ear infection that can cause sudden onset of vertigo, hearing loss, and tinnitus (ringing in the ears).
3. Vestibular neuronitis: inflammation of the vestibular nerve that causes severe vertigo, nausea, and imbalance but typically spares hearing.
4. Meniere's disease: a disorder characterized by recurrent episodes of vertigo, tinnitus, hearing loss, and a feeling of fullness in the affected ear.
5. Vestibular migraine: a type of migraine that includes vestibular symptoms such as dizziness, imbalance, and disorientation.
6. Superior canal dehiscence syndrome: a condition in which there is a thinning or absence of bone over the superior semicircular canal in the inner ear, leading to vertigo, sound- or pressure-induced dizziness, and hearing loss.
7. Bilateral vestibular hypofunction: reduced function of both vestibular systems, causing chronic imbalance, unsteadiness, and visual disturbances.

Treatment for vestibular diseases varies depending on the specific diagnosis but may include medication, physical therapy, surgery, or a combination of these approaches.

Vestibular function tests are a series of diagnostic assessments used to determine the functionality and health of the vestibular system, which is responsible for maintaining balance and spatial orientation. These tests typically include:

1. **Caloric Testing:** This test evaluates the response of each ear to stimulation with warm and cold water or air. The resulting responses are recorded and analyzed to assess the function of the horizontal semicircular canals and the vestibular-ocular reflex (VOR).

2. **Rotary Chair Testing:** This test measures how well the vestibular system adapts to different speeds of rotation. The patient sits in a chair that moves in a controlled, consistent manner while their eye movements are recorded.

3. **Videonystagmography (VNG):** This test uses video goggles to record eye movements in response to various stimuli, such as changes in head position, temperature, and visual environment.

4. **Electronystagmography (ENG):** Similar to VNG, this test records eye movements but uses electrodes placed near the eyes instead of video goggles.

5. **Dix-Hallpike Test:** This is a clinical maneuver used to diagnose benign paroxysmal positional vertigo (BPPV). It involves rapidly moving the patient's head from an upright position to a position where their head is hanging off the end of the examination table.

6. **Head Shaking Test:** This test involves shaking the head back and forth for 15-20 seconds and then observing the patient's eye movements for nystagmus (involuntary eye movement).

These tests help diagnose various vestibular disorders, including benign paroxysmal positional vertigo, labyrinthitis, vestibular neuritis, Meniere's disease, and other balance disorders.

Vestibular neuronitis, also known as vestibular neuritis, is a medical condition that affects the inner ear's vestibular system. It is characterized by sudden and severe vertigo (a spinning sensation), nausea, vomiting, and unsteadiness, typically lasting for several days to weeks.

The condition results from an inflammation of the vestibular nerve, which carries information about balance and motion from the inner ear to the brain. The exact cause of the inflammation is not always clear, but it is thought to be due to a viral infection or an autoimmune response.

Vestibular neuronitis is differentiated from labyrinthitis, another inner ear disorder, by the absence of hearing loss in vestibular neuronitis. In labyrinthitis, there may be hearing loss as well as vertigo and balance problems. Treatment for vestibular neuronitis typically involves medication to manage symptoms such as nausea and vertigo, along with physical therapy exercises to help retrain the brain to maintain balance.

Menière disease is an inner ear disorder that is characterized by episodes of vertigo (a spinning sensation), tinnitus (ringing or buzzing in the ear), hearing loss, and aural fullness (a feeling of pressure or blockage in the ear). It is caused by an abnormal accumulation of endolymphatic fluid in the inner ear, which can lead to damage of the vestibular system and cochlea. The exact cause of this fluid buildup is not known, but it may be related to genetics, allergies, or autoimmune disorders. Menière disease is typically a chronic condition, with symptoms that can vary in frequency and severity over time. Treatment options include dietary modifications, diuretics, vestibular rehabilitation therapy, and, in some cases, surgery.

Pathological nystagmus is an abnormal, involuntary movement of the eyes that can occur in various directions (horizontal, vertical, or rotatory) and can be rhythmical or arrhythmic. It is typically a result of a disturbance in the vestibular system, central nervous system, or ocular motor pathways. Pathological nystagmus can cause visual symptoms such as blurred vision, difficulty with fixation, and oscillopsia (the sensation that one's surroundings are moving). The type, direction, and intensity of the nystagmus may vary depending on the underlying cause, which can include conditions such as brainstem or cerebellar lesions, multiple sclerosis, drug toxicity, inner ear disorders, and congenital abnormalities.

A headache is defined as pain or discomfort in the head, scalp, or neck. It can be a symptom of various underlying conditions such as stress, sinus congestion, migraine, or more serious issues like meningitis or concussion. Headaches can vary in intensity, ranging from mild to severe, and may be accompanied by other symptoms such as nausea, vomiting, or sensitivity to light and sound. There are over 150 different types of headaches, including tension headaches, cluster headaches, and sinus headaches, each with their own specific characteristics and causes.

Whiplash injuries are a type of soft tissue injury to the neck that occurs when the head is suddenly and forcefully thrown backward (hyperextension) and then forward (hyperflexion). This motion is similar to the cracking of a whip, hence the term "whiplash."

Whiplash injuries are most commonly associated with rear-end automobile accidents, but they can also occur from sports accidents, physical abuse, or other traumatic events. The impact of these forces on the neck can cause damage to the muscles, ligaments, tendons, and other soft tissues in the neck, resulting in pain, stiffness, and limited mobility.

In some cases, whiplash injuries may also cause damage to the discs between the vertebrae in the spine or to the nerves exiting the spinal cord. These types of injuries can have more serious consequences and may require additional medical treatment.

Whiplash injuries are typically diagnosed based on a combination of physical examination, patient history, and imaging studies such as X-rays, CT scans, or MRI scans. Treatment for whiplash injuries may include pain medication, physical therapy, chiropractic care, or in some cases, surgery.

Postural balance is the ability to maintain, achieve, or restore a state of equilibrium during any posture or activity. It involves the integration of sensory information (visual, vestibular, and proprioceptive) to control and adjust body position in space, thereby maintaining the center of gravity within the base of support. This is crucial for performing daily activities and preventing falls, especially in older adults and individuals with neurological or orthopedic conditions.

Physiologic nystagmus is a type of normal, involuntary eye movement that occurs in certain situations. It is characterized by rhythmical to-and-fro movements of the eyes, which can be horizontal, vertical, or rotatory. The most common form of physiologic nystagmus is called "optokinetic nystagmus," which occurs when a person looks at a moving pattern, such as stripes on a rotating drum or scenery passing by a car window.

Optokinetic nystagmus helps to stabilize the image of the environment on the retina and allows the brain to perceive motion accurately. Another form of physiologic nystagmus is "pursuit nystagmus," which occurs when the eyes attempt to follow a slowly moving target. In this case, the eyes may overshoot the target and then make a corrective movement in the opposite direction.

Physiologic nystagmus is different from pathological nystagmus, which can be caused by various medical conditions such as brain damage, inner ear disorders, or medications that affect the nervous system. Pathological nystagmus may indicate a serious underlying condition and should be evaluated by a healthcare professional.

Sensation disorders are conditions that affect the nervous system's ability to receive and interpret sensory information from the environment. These disorders can affect any of the five senses, including sight, hearing, touch, taste, and smell. They can result in symptoms such as numbness, tingling, pain, or loss of sensation in various parts of the body.

Some common types of sensation disorders include:

1. Neuropathy: A disorder that affects the nerves, often causing numbness, tingling, or pain in the hands and feet.
2. Central pain syndrome: A condition that results from damage to the brain or spinal cord, leading to chronic pain.
3. Tinnitus: A ringing or buzzing sound in the ears that can be a symptom of an underlying hearing disorder.
4. Ageusia: The loss of taste sensation, often caused by damage to the tongue or nerves that transmit taste information to the brain.
5. Anosmia: The loss of smell sensation, which can result from a variety of causes including injury, infection, or neurological disorders.

Sensation disorders can have significant impacts on a person's quality of life and ability to perform daily activities. Treatment may involve medication, physical therapy, or other interventions aimed at addressing the underlying cause of the disorder.

Syncope is a medical term defined as a transient, temporary loss of consciousness and postural tone due to reduced blood flow to the brain. It's often caused by a drop in blood pressure, which can be brought on by various factors such as dehydration, emotional stress, prolonged standing, or certain medical conditions like heart diseases, arrhythmias, or neurological disorders.

During a syncope episode, an individual may experience warning signs such as lightheadedness, dizziness, blurred vision, or nausea before losing consciousness. These episodes usually last only a few minutes and are followed by a rapid, full recovery. However, if left untreated or undiagnosed, recurrent syncope can lead to severe injuries from falls or even life-threatening conditions related to the underlying cause.

Labyrinth diseases refer to conditions that affect the inner ear's labyrinth, which is the complex system of fluid-filled channels and sacs responsible for maintaining balance and hearing. These diseases can cause symptoms such as vertigo (a spinning sensation), dizziness, nausea, hearing loss, and tinnitus (ringing in the ears). Examples of labyrinth diseases include Meniere's disease, labyrinthitis, vestibular neuronitis, and benign paroxysmal positional vertigo. Treatment for these conditions varies depending on the specific diagnosis but may include medications, physical therapy, or surgery.

Diagnostic techniques in otology refer to the methods and tests used by healthcare professionals to identify and diagnose various conditions related to the ear. These techniques can include:

1. Otoscopy: A visual examination of the external auditory canal and eardrum using an otoscope. This helps to identify any physical abnormalities, such as wax buildup, inflammation, or foreign objects in the ear.
2. Audiometry: A hearing test that measures a person's ability to hear different sounds, pitches, and volumes. This can help to identify any hearing loss or auditory processing issues.
3. Tympanometry: A test that measures the function of the middle ear by creating variations in air pressure in the ear canal. This can help to identify any issues with the eardrum or middle ear bones.
4. Acoustic reflex testing: A test that measures the body's involuntary response to loud sounds. This can help to identify any damage to the hearing nerves or brainstem.
5. Otoacoustic emissions (OAE) testing: A test that measures the sound waves produced by the inner ear in response to stimuli. This can help to identify any issues with the cochlea or hair cells in the inner ear.
6. Auditory brainstem response (ABR) testing: A test that measures the electrical activity of the hearing nerve and brainstem in response to sound. This can help to identify any issues with the auditory nervous system.
7. Vestibular testing: A series of tests that measure a person's balance and equilibrium. This can help to identify any issues with the vestibular system, which is responsible for maintaining balance.

These diagnostic techniques are used to diagnose various otological conditions such as hearing loss, tinnitus, vertigo, ear infections, and tumors of the ear.

Labyrinthine fluids, also known as endolymph and perilymph, are fluids that fill the inner ear structures, specifically the bony labyrinth. The bony labyrinth is divided into two main parts: the cochlea, responsible for hearing, and the vestibular system, responsible for balance.

Endolymph is a clear, plasma-like fluid found within the membranous labyrinth, which is a series of interconnected tubes and sacs that lie inside the bony labyrinth. Endolymph plays a crucial role in the functioning of both the cochlea and vestibular system by creating an electrochemical gradient necessary for the conversion of mechanical sound vibrations into electrical signals in the cochlea, as well as facilitating the detection of head movements and maintaining balance in the vestibular system.

Perilymph, on the other hand, is a clear, colorless fluid that fills the space between the bony labyrinth and the membranous labyrinth. It is similar in composition to cerebrospinal fluid (CSF) and serves as a protective cushion for the delicate inner ear structures. Perilymph also helps maintain the electrochemical gradient required for sound transduction in the cochlea.

Disorders related to these labyrinthine fluids, such as endolymphatic hydrops or perilymph fistula, can lead to hearing and balance problems.

Orthostatic hypotension is a type of low blood pressure that occurs when you stand up from a sitting or lying position. The drop in blood pressure causes a brief period of lightheadedness or dizziness, and can even cause fainting in some cases. This condition is also known as postural hypotension.

Orthostatic hypotension is caused by a rapid decrease in blood pressure when you stand up, which reduces the amount of blood that reaches your brain. Normally, when you stand up, your body compensates for this by increasing your heart rate and constricting blood vessels to maintain blood pressure. However, if these mechanisms fail or are impaired, orthostatic hypotension can occur.

Orthostatic hypotension is more common in older adults, but it can also affect younger people who have certain medical conditions or take certain medications. Some of the risk factors for orthostatic hypotension include dehydration, prolonged bed rest, pregnancy, diabetes, heart disease, Parkinson's disease, and certain neurological disorders.

If you experience symptoms of orthostatic hypotension, it is important to seek medical attention. Your healthcare provider can perform tests to determine the underlying cause of your symptoms and recommend appropriate treatment options. Treatment may include lifestyle changes, such as increasing fluid intake, avoiding alcohol and caffeine, and gradually changing positions from lying down or sitting to standing up. In some cases, medication may be necessary to manage orthostatic hypotension.

Motion sickness is a condition characterized by a disturbance in the balance and orientation senses, often triggered by conflicting information received from the eyes, inner ears, and other bodily sensory systems. It's typically brought on by motion such as that experienced during travel in cars, trains, boats, or airplanes, or even while using virtual reality devices. Symptoms can include dizziness, nausea, vomiting, and cold sweats.

The inner ear's vestibular system plays a key role in this condition. When the body is in motion but the inner ear remains still, or vice versa, it can cause the brain to receive conflicting signals about the body's state of motion, leading to feelings of disorientation and sickness.

Preventative measures for motion sickness include fixating on a stationary point outside the vehicle, avoiding reading or looking at electronic screens during travel, taking over-the-counter medications like dimenhydrinate (Dramamine) or scopolamine (Transderm Scop), and engaging in relaxation techniques such as deep breathing.

Otorhinolaryngologic diseases, also known as ear, nose, and throat (ENT) diseases, refer to a group of medical conditions that affect the ears, nose, and/or throat. These specialized areas are closely related both anatomically and functionally, and disorders in one area can often have impacts on the others.

Here are some examples of otorhinolaryngologic diseases categorized by the affected area:

1. Otologic diseases - affecting the ear:
* Otitis media (ear infection)
* Otitis externa (swimmer's ear)
* Tinnitus (ringing in the ears)
* Hearing loss
* Meniere's disease (inner ear disorder causing vertigo, tinnitus, and hearing loss)
* Acoustic neuroma (noncancerous tumor on the vestibular nerve)
2. Rhinologic diseases - affecting the nose:
* Allergic rhinitis (hay fever)
* Non-allergic rhinitis
* Sinusitis (sinus infection)
* Deviated septum
* Nasal polyps
* Epistaxis (nosebleed)
3. Laryngologic diseases - affecting the throat and voice box:
* Laryngitis (inflammation of the larynx, causing hoarseness or voice loss)
* Vocal cord nodules or polyps
* Reflux laryngitis (acid reflux irritating the throat)
* Subglottic stenosis (narrowing of the airway below the vocal cords)
* Laryngeal cancer
4. Common otorhinolaryngologic diseases:
* Tonsillitis (inflammation of the tonsils, often causing sore throat and difficulty swallowing)
* Adenoiditis (inflammation of the adenoids, commonly seen in children)
* Obstructive sleep apnea (OSA, a disorder characterized by pauses in breathing during sleep)
* Pharyngitis (inflammation of the pharynx or throat)

Otorhinolaryngologists, also known as ENT specialists, diagnose and treat these conditions. They may use various methods such as physical examination, imaging studies, endoscopy, and laboratory tests to determine the best course of treatment for each individual patient.

Caloric tests are a type of diagnostic test used in otology and neurotology to evaluate the function of the vestibular system, which is responsible for maintaining balance and eye movements. The tests involve stimulating the vestibular system with warm or cool air or water, and then observing and measuring the resulting eye movements.

During the test, the patient sits in a chair with their head tilted back at a 30-degree angle. A special goggles device is placed over their eyes to measure and record eye movements. Then, warm or cool air or water is introduced into each ear canal, alternately, for about 20-30 seconds.

The stimulation of the inner ear with warm or cold temperatures creates a difference in temperature between the inner ear and the brain, which activates the vestibular system and causes eye movements called nystagmus. The direction and intensity of the nystagmus are then analyzed to determine if there is any damage or dysfunction in the vestibular system.

Caloric tests can help identify lesions in the vestibular system, such as vestibular neuritis or labyrinthitis, and can also help differentiate between peripheral and central vestibular disorders.

Nausea is a subjective, unpleasant sensation of discomfort in the stomach and upper gastrointestinal tract that may precede vomiting. It's often described as a feeling of queasiness or the need to vomit. Nausea can be caused by various factors, including motion sickness, pregnancy, gastrointestinal disorders, infections, certain medications, and emotional stress. While nausea is not a disease itself, it can be a symptom of an underlying medical condition that requires attention and treatment.

An accidental fall is an unplanned, unexpected event in which a person suddenly and involuntarily comes to rest on the ground or other lower level, excluding intentional changes in position (e.g., jumping to catch a ball) and landings that are part of a planned activity (e.g., diving into a pool). Accidental falls can occur for various reasons, such as environmental hazards, muscle weakness, balance problems, visual impairment, or certain medical conditions. They are a significant health concern, particularly among older adults, as they can lead to serious injuries, loss of independence, reduced quality of life, and increased mortality.

The vestibular system is a part of the inner ear that contributes to our sense of balance and spatial orientation. It is made up of two main components: the vestibule and the labyrinth.

The vestibule is a bony chamber in the inner ear that contains two important structures called the utricle and saccule. These structures contain hair cells and fluid-filled sacs that help detect changes in head position and movement, allowing us to maintain our balance and orientation in space.

The labyrinth, on the other hand, is a more complex structure that includes the vestibule as well as three semicircular canals. These canals are also filled with fluid and contain hair cells that detect rotational movements of the head. Together, the vestibule and labyrinth work together to provide us with information about our body's position and movement in space.

Overall, the vestibular system plays a crucial role in maintaining our balance, coordinating our movements, and helping us navigate through our environment.

... is a common medical complaint, affecting 20-30% of persons. Dizziness is broken down into four main subtypes: vertigo ... "Dizziness and Vertigo". Merck Manual. 2009. Norris C (4 July 2020). "What Causes Dizziness? Its Symptoms, Control and Risk ... a state of dizziness and disorientation due to intoxication Vertigo Dizziness at the U.S. National Library of Medicine Medical ... Thus dizziness can be caused by a variety of problems and may reflect a focal process (such as one affecting balance or ...
Dizziness (Spanish: Vértigo) is a 1946 Mexican drama film directed by Antonio Momplet, starring María Félix, Emilio Tuero and ... Dizziness at IMDb v t e (CS1 Spanish-language sources (es), Articles with short description, Short description matches Wikidata ...
The term chronic subjective dizziness (CSD) is used to describe a commonly encountered type of dizziness that is not easily ... "Chronic Subjective Dizziness". About.com Neurology. About.com. Retrieved 14 June 2014. Staab, JP; Eckhardt-Henn, A; Horii, A; ... There is a clear indication that anxiety and other mental illnesses play a role in the dizziness symptoms that occur with CSD. ... "Persistent Postural-Perceptual Dizziness" (PDF). Vestibular.com. Vestibular.com. Retrieved 29 January 2017. WHO ICD-11 Beta ...
... title listing at the Internet Speculative Fiction Database "Anxiety Is the Dizziness of ... "Anxiety Is the Dizziness of Freedom" is a science fiction novella by American writer Ted Chiang, initially published in 2019 ... Axvig, Matt (11 August 2019). "Quantum Mechanics, Contingency, and Freedom in Ted Chiang's "Anxiety is the Dizziness of Freedom ...
Very common (>10% frequency): nausea; weakness; decreased lung function Common (1-10% frequency): headache; dizziness; ...
Gefühle., "Dizziness. Feelings.") is a 1990 novel and the first by the German author W. G. Sebald. The first of its four ... Sebald makes notable use of leitmotif, such as sensations of dizziness as suggested in the title, and deceased persons lying ...
"Dizziness". "Dizziness - Symptoms and causes". Mayo Clinic. "Is Anxiety Causing My Head to Feel Heavy?". July 16, 2019. Thomson ... Dizziness Vertigo Medicine, Northwestern. "Symptoms of Dizziness and Balance Disorders". Northwestern Medicine. Smirnova, Alina ... Chronic subjective dizziness (CSD) can be related to heavy-headedness. Nausea and vomiting can cause heavy-headedness. In cases ... Heavy-headedness is the feeling of faintness, dizziness, or feeling of floating, wooziness. Individuals may feel as though ...
Vaginal bleeding, cramps, nausea, vomiting, loose stools or diarrhea, headache, muscle weakness; dizziness; flushing; chills; ...
... dizziness; indigestion; gas; nausea; and ringing in the ears. In October 2020, the U.S. Food and Drug Administration (FDA) ...
Intense anxiety is associated with rapid heartbeat, palpitations, sweating, muscle tension, stomach discomfort, dizziness, ... dizziness; or balance problems. Many people with hypochondriasis accompanied by medically unexplained symptoms feel they are ...
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Diminished auditory acuity (hearing loss). Tinnitus (occasionally). Dizziness. Sensation of malocclusion (feeling that the ... and even dizziness. Specifically, Costen believed that the cause of TMD was mandibular over-closure, recommending a treatment ...
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... dizziness is not considered a symptom of vertiginous epilepsy. Dizziness is the sensation of imbalance or floating, impending ... "Dizziness: Lightheadedness and Vertigo Topic Overview." WebMD. N.p., 2 Jan 2013. Web. 23 Mar 2014. . Kogeorgos, J., D.F. Scott ... "Epileptic Dizziness." British Medical Journal . 282. (1981): n. page. Erbek, Seyra H., Selim S. Erbek, Ismail Yilmaz, Ozgal ... In the late 19th century and early 20th century, Hughlings Jackson and W.R. Gowers recognized that episodes of dizziness were a ...
The dizziness sensation that is associated with vertigo is thought to be from the inner ear labyrinth. Rapid and undesired eye ... Hogue, JD (June 2015). "Office Evaluation of Dizziness". Primary Care. 42 (2): 249-258. doi:10.1016/j.pop.2015.01.004. PMID ... Solomon, D; Shepard, NT (July 2002). "Chronic Dizziness". Current Treatment Options in Neurology. 4 (4): 281-288. doi:10.1007/ ... but it is not uncommon for residual symptoms such as dysequilibrium and dizziness to last for a couple of months. Recovery from ...
... dizziness); Difficulties of speech (dysarthria) and communication, such as aphasia; Difficulties with everyday activities, such ...
Dizziness, headache. Insomnia. Weight gain. Chills, fever, fatigue, flu-like illness. GnRH antagonists (receptor blockers) such ...
Dizziness 4. Confusion 5. Visual disturbance 6. Tremor 7. Seizures 8. Coma The cause of DDS is currently not well understood. ...
"Kit-car dizziness". Rajdy.hoga.pl. August 13, 2003. Retrieved 2013-12-28. "TRAJKA, TRIKE, SAM three-wheel motorcycle type TITO ...
... dizziness and wheezing. Women who suffered a high degree of economic disruption as a result of spill were significantly more ...
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Faintness or dizziness. Sharp pelvic pain. Treatment: Taking of oral contraceptives or birth control pills as prescribed by the ...
Biondi, D. M. (2005). "Cervicogenic with Dizziness . headache: A review of diagnostic and treatment strategies". Journal of the ...
Hain, Timothy C. "Mal de Debarquement Syndrome (MdDS or MdDS)". dizziness-and-balance.com. Retrieved 22 July 2015. University ...
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The trio's four-track EP Dizziness was issued on 27 May 2005, which reached the ARIA singles chart top 100. Their debut self- ... Dizziness: Ryan, Gavin (2011). Australia's Music Charts 1988-2010 (PDF ed.). Mt Martha, Victoria, Australia: Moonlight ...
Other causes of dizziness include presyncope, disequilibrium, and non-specific dizziness. Benign paroxysmal positional vertigo ... The sensation of losing balance or dizziness when stepping onto an escalator which is not working Chronic subjective dizziness ... Dizziness affects approximately 20-40% of people at some point in time, while about 7.5-10% have vertigo. About 5% have vertigo ... "Vertigo: Dizziness and Vertigo: Merck Manual Home Edition". Archived from the original on 2010-02-13. Vieira, ER; Freund- ...
"RUSSIA: Dizziness From Success". Time. 25 September 1939. "Путешествие по Башиловской улице, тематическая. Музей "Истории ...
Dizziness is a common medical complaint, affecting 20-30% of persons. Dizziness is broken down into four main subtypes: vertigo ... "Dizziness and Vertigo". Merck Manual. 2009. Norris C (4 July 2020). "What Causes Dizziness? Its Symptoms, Control and Risk ... a state of dizziness and disorientation due to intoxication Vertigo Dizziness at the U.S. National Library of Medicine Medical ... Thus dizziness can be caused by a variety of problems and may reflect a focal process (such as one affecting balance or ...
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People in solitary confinement have been loudly awakened by guards every 30 minutes around the clock since the night of Aug. 2, for more than four months! CDCR claims these checks are to improve mental health care and prevent suicides. Instead, this cruel sleep deprivation constitutes cruel and unusual punishment. Prisoners and their attorneys are demanding that these checks be halted. Stop these torture tactics now! Support prisoners human rights! Send emails and make calls. Sleep deprivation is torture ...
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  • Not moving will help your body regain equilibrium, and forcing yourself to focus on something still can counteract other symptoms of dizziness like blurred vision and nausea. (getridofthings.com)
  • If the headaches and dizziness have some additional symptoms like nausea, vomiting, sensitivity to light or sound and troubled seeing, then it may be a migraine. (tutorialspoint.com)
  • Headaches and dizziness may occur in TBIs along with other symptoms like concussion, confusion, nausea, vomiting, temporary loss of consciousness, memory problems etc. (tutorialspoint.com)
  • Here, the person experiences fluid leak from the inner ear and this condition may cause headaches along with dizziness, hearing loss, nausea and tinnitus (ringing in the ears). (tutorialspoint.com)
  • Meclizine is used to prevent and control nausea, vomiting and dizziness caused by motion sickness. (mayoclinichealthsystem.org)
  • In combination with dizziness, you may also encounter other symptoms like nausea, a change in heart rate, anxiety, or panic. (williamsburghears.com)
  • Gravol helps with nausea, but also can work for dizziness. (dinet.org)
  • The survey was requested on behalf of 1000 employees because of worker complaints of rashes, dizziness, fainting, and nausea. (cdc.gov)
  • Can be a supportive formula for liver fire conditions resulting in headache, tinnitus, dizziness, vertigo. (yinyanghouse.com)
  • Often tight neck muscles are a symptom of a wider condition that could cause dizziness or headache. (xshotpix.com)
  • These conditions-called cervicogenic dizziness and cervicogenic headache, respectively-are rare, as only up to 2.5% of the population have them. (xshotpix.com)
  • A headache along with dizziness is one of the main symptoms of dehydration. (tutorialspoint.com)
  • Subjects suffering from headache presented an increased rate of relapsing episodes, positional exacerbation, cochlear symptoms and a lower age of occurrence of the first vertigo/dizziness episode. (nih.gov)
  • In the discussion, our data are compared with those of previous studies, and we underline the relationship between vertigo/dizziness from one side and headache with migrainous features on the other. (nih.gov)
  • This month, we'll look specifically at headache AND dizziness and if we should we be concerned about this combination of complaints and if so, when? (oaklandchiropractor.net)
  • They found the combination of headache and dizziness-especially in women, minorities, and young patients-was a potential signal of an impending stroke! (oaklandchiropractor.net)
  • Specifically, they reported that 12.7% of people complaining of headache and dizziness were later admitted for stroke and had been misdiagnosed and inappropriately sent home from the ED within the previous 30 days. (oaklandchiropractor.net)
  • A report reviewing presentation to US emergency departments (EDs) from 1995 through 2004 indicated that vertigo and dizziness accounted for 2.5% of presentations. (medscape.com)
  • First, it is important to outline the differences between vertigo and dizziness. (mayoclinichealthsystem.org)
  • Some types of vertigo and dizziness are associated with abnormal glucose metabolism, osteoporosis, sleep apnea, and menopause and hormone fluctuations. (lifeextension.com)
  • Physicians must rule out urgent causes of vertigo and dizziness, such as stroke. (lifeextension.com)
  • Relatively few dizzy people will have to go through an ordeal like Tucker's, but dizziness , a very common complaint, can be serious. (webmd.com)
  • It is hard to define dizziness, since feeling dizzy is such a subjective experience. (qld.gov.au)
  • Here we've explained simple steps you can take to stop feeling dizzy as soon as possible, as well as outlined common symptoms and causes of dizziness, to help you better understand why you're feeling dizzy. (getridofthings.com)
  • Though dizziness after a car accident is common, if you are feeling dizzy days and weeks after a crash it could mean you have a more serious injury such as a traumatic brain injury (TBI), concussion, TMJ, or neck injury. (michiganautolaw.com)
  • Dizzy can mean different things to different people and describing the sensation of dizziness to the doctor can be often challenging. (tutorialspoint.com)
  • Are you always dizzy or does the dizziness come and go? (stlukes-stl.com)
  • And while short or minor episodes of dizziness are normal and no cause for worry, more extreme sensations of spinning (vertigo) or sustained dizzy spells should be examined. (williamsburghears.com)
  • Dizziness is an imprecise term that can refer to a sense of disorientation in space, vertigo, or lightheadedness. (wikipedia.org)
  • Dizziness is the feeling of disorientation or lightheadedness. (medicalnewstoday.com)
  • However, symptoms of dizziness or lightheadedness can also be indications of more serious disorders such as a stroke, heart attack, head injury, or an abnormal heart rhythm. (baycare.org)
  • Dizziness usually falls into one of four categories: vertigo, fainting sensation (presyncope), imbalance sensation (disequilibrium), and lightheadedness. (lifeextension.com)
  • Inner ear disorders, anxiety disorders, and problems breathing can also cause dizziness or "light-headedness. (getridofthings.com)
  • Caffeine, alcohol, and tobacco can all contribute to feelings of dizziness, or even cause dizziness in people prone to vertigo, problems balancing, and light-headedness. (getridofthings.com)
  • If you are suffering from traumatically-induced dizziness after a car accident such as vertigo, disequilibrium, presyncope or light-headedness, it is critical that you seek prompt medical attention. (michiganautolaw.com)
  • Dizziness or Light-Headedness When Standing Up In some people, particularly older people, blood pressure drops excessively when they sit or stand up (a condition called orthostatic or postural hypotension). (msdmanuals.com)
  • What's the Connection between Headaches and Dizziness? (tutorialspoint.com)
  • Many things can cause headaches and dizziness at the same time. (tutorialspoint.com)
  • Here are some of the potential causes which can cause headaches and dizziness at the same time. (tutorialspoint.com)
  • There can be many reasons that headaches and dizziness can coexist. (tutorialspoint.com)
  • External head injuries may cause headaches but typically not dizziness, while internal injuries may often cause both headaches and dizziness. (tutorialspoint.com)
  • According to the American Hearing Research Foundation, in this condition, sudden neck movements can trigger headaches and dizziness. (tutorialspoint.com)
  • Anaemia, anxiety, labyrinthitis and poor vision are some of the medical conditions that can cause headaches and dizziness together. (tutorialspoint.com)
  • Headaches and dizziness are two of the most common physical symptoms of anxiety where a person's fear or worry can go out of proportion. (tutorialspoint.com)
  • Additionally, headaches and dizziness combined can be a sign of poor vision. (tutorialspoint.com)
  • Are Headaches and Dizziness a Dangerous Combination? (oaklandchiropractor.net)
  • Again, to put this in perspective, MANY people present to healthcare providers with headaches and dizziness with NO relationship to stroke-about 87%-though it is sometimes not possible to know whether a potentially dangerous problem may arise in the near future. (oaklandchiropractor.net)
  • Doctors of chiropractic commonly see patients presenting with headaches and dizziness. (oaklandchiropractor.net)
  • Balance disorder Broken escalator phenomenon Chronic subjective dizziness Coriolis effect (perception) Equilibrioception Ideomotor phenomenon Illusions of self-motion Motion sickness Postural orthostatic tachycardia syndrome Proprioception Seasickness Spatial disorientation The spins, a state of dizziness and disorientation due to intoxication Vertigo Dizziness at the U.S. National Library of Medicine Medical Subject Headings (MeSH) Reeves AG, Swenson RS (2008). (wikipedia.org)
  • Falling can be a direct consequence of dizziness in this population, and the risk is compounded in elderly persons with other neurologic deficits and chronic medical problems. (medscape.com)
  • I have also been having eye pain, chronic inflammation, dizziness, and some vertigo ….after I got off it. (drugs.com)
  • My Mom recently suffered with a chronic bout of severe DIZZINESS which her GP put down to VERTIGO, & prescribed some antihistamines. (earthclinic.com)
  • Chronic subjective dizziness (CSD) is a chronic, subjective, nonrotational dizziness and instability caused by mental or physical factors, and patients generally have no existing vestibular system diseases. (hindawi.com)
  • Chronic subjective dizziness (CSD) is a group of chronic nonspecific syndromes with high sensitivity to motor signals and low tolerance to visual signals, accompanied by a significant subjective dizziness and instability [ 1 ]. (hindawi.com)
  • Patients often seek medical attention for chronic and persistent head dizziness or a subjective sense of instability, which accounts for approximately 10.6% of all dizziness visits in outpatient clinics and can be twice as common in women as in men [ 2 ]. (hindawi.com)
  • Dizziness may be temporary or chronic. (msdmanuals.com)
  • Dizziness is considered chronic if it lasts more than a month. (msdmanuals.com)
  • Chronic dizziness is more common among older people. (msdmanuals.com)
  • For patient education resources, see the Brain and Nervous System Center and the Ear, Nose, and Throat Center , as well as Benign Positional Vertigo , Dizziness , Ménière Disease , and Tinnitus . (medscape.com)
  • Karen Lambert, Hearing Center of Excellence, uses a model of the vestibular system to reinforce the anatomy of the inner ear during a lecture on positional testing for benign paroxysmal positional vertigo (BPPV), a common cause of dizziness and imbalance, during a December 2022 Military Vestibular Assessment and Rehabilitation training at the U.S. Army's Schofield Barracks, Hawaii. (health.mil)
  • After analyzing records from two large, national public databases, the Johns Hopkins research team concluded that a large percentage of patients who come to the emergency department with dizziness are suffering from a benign inner-ear disorder , while just 5 percent of those whose major complaint is dizziness are having a stroke. (hopkinsmedicine.org)
  • While benign paroxysmal positional vertigo is a common cause of vertigo, it is not associated with symptoms of dizziness. (mayoclinichealthsystem.org)
  • Disequilibrium or feeling off balance or unable to maintain balance - this can be of vestibular origin - either central or peripheral === Cervical Vertebral Artery vs Benign Paroxysmal Positional Vertigo === As mentioned above, dizziness can occur due to Benign Paroxysmal Positional Vertigo (BPPV) or cervical vertebral artery dysfunctions. (physio-pedia.com)
  • The overall incidence of dizziness, vertigo, and imbalance is 5-10%, and it reaches 40% in patients older than 40 years. (medscape.com)
  • In a retrospective review of 907 adults presenting to an academic ED from 2007 through 2009 with a primary complaint of dizziness, vertigo, or imbalance, 49 patients had a serious neurologic diagnosis (eg, cerebrovascular disease). (medscape.com)
  • The Defense Health Agency's Hearing Center of Excellence offers a specialized course to train clinicians how to treat dizziness and imbalance in patients with mild traumatic brain injury, otherwise known as concussion. (health.mil)
  • Historically, medical personnel less familiar with the role of the vestibular system had few options to treat dizziness and imbalance and would often simply wait to see if these issues resolved over time. (health.mil)
  • This protocol summarizes the types and causes of dizziness and vertigo and the different treatment strategies available, including repositioning techniques to remove debris from the inner ear either at home or at the doctor's office. (lifeextension.com)
  • On the surface you wouldn't think a cardiologist would have much to do with a symptom that relates more to the head than the heart, but there is some logic to it-poor blood flow to the brain could lead to dizziness and, since blood flow starts in the heart, that could be the place to look. (kevinmd.com)
  • or roaring in the affected ear, called tinnitus Vertigo , or dizziness Severe vertigo is the symptom that causes the most problems. (nih.gov)
  • Newman-Toker says CT is particularly poor in diagnosing abnormalities in the back part of the brain, which controls balance and is usually involved if dizziness is the main stroke symptom. (hopkinsmedicine.org)
  • About one in three strokes whose primary symptom is dizziness is missed in the emergency room, sometimes with tragic consequences, including preventable deaths, he says. (hopkinsmedicine.org)
  • Dizziness is a symptom for a host of conditions, with patients complaining of feeling lightheaded or nauseous. (henryford.com)
  • Dizziness, Numbness or tingling and Stiff neck WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms dizziness, numbness or tingling and stiff neck including Spinal meningitis, Middle ear infection, and Peripheral neuropathy. (xshotpix.com)
  • Dizziness is not a pleasant sensation, and can do much disrupt your daily life, so we hope this information helps you get rid of dizziness in the best and most efficient way possible. (getridofthings.com)
  • Dizziness could either be a sensation of feeling lightheaded or a spinning sensation called vertigo. (tutorialspoint.com)
  • Vertigo, which is less common than dizziness, is an overall spinning sensation. (mayoclinichealthsystem.org)
  • Vertigo is an unpleasant sensation of spinning, dizziness, or motion that can be quite debilitating. (lifeextension.com)
  • Vertigo, typically characterized by a sensation of spinning or dizziness, is usually caused by problems involving the inner ear (peripheral vertigo) or, less commonly, the central nervous system (central vertigo). (lifeextension.com)
  • These changes may explain the symptoms of dizziness, floating sensation, walking instability, neck tightness, and other symptoms in patients with RD to a certain extent. (frontiersin.org)
  • Vertigo is a type of dizziness felt as a sensation of movement when there is no actual movement. (msdmanuals.com)
  • Below are several strategies that a person can try at home to prevent or reduce dizziness. (medicalnewstoday.com)
  • Below, we describe when to seek medical attention, what to do at home to reduce dizziness, and the range of causes and treatment options. (medicalnewstoday.com)
  • Modifying your diet can reduce dizziness. (getridofthings.com)
  • Vision and eye problems, such as eye strain and poor eyesight, can cause people to experience dizziness and balance problems. (medicalnewstoday.com)
  • Dizziness occurs when two or more of these signals are disrupted. (getridofthings.com)
  • This dizziness most often occurs after moving your neck, and can also affect your sense of balance and concentration. (xshotpix.com)
  • We have to make a note of when the dizziness occurs or gets worse. (tutorialspoint.com)
  • Vertigo, dizziness, tinnitus, and hearing loss are typically associated with inner-ear diseases as opposed to central nervous system (CNS) diseases. (medscape.com)
  • Dizziness, tinnitus, possibly vertigo as a result of kidney and liver yin deficiency. (yinyanghouse.com)
  • Dizziness, tinnitus, hair loss - with underlying blood stagnation signs. (yinyanghouse.com)
  • So far, there is also the lack of a proper diagnostic test for cervicogenic dizziness. (lu.se)
  • What is the most cost-effective neuroimaging option for patients presenting to an emergency department with dizziness? (diagnosticimaging.com)
  • The study suggests that specialized MRI, particularly with multiplanar high-resolution diffusion-weighted imaging, is the most cost-effective neuroimaging option for patients presenting to an emergency department with dizziness, offering the highest quality-adjusted life years (QALYs) despite a higher upfront cost compared to other modalities. (diagnosticimaging.com)
  • Artificial sweeteners and highly sweet or salty foods can also affect your body's ability to balance if you're prone to dizziness (aspartame can inhibit the central nervous system, and sweet/salty snacks can affect your inner ear fluid). (getridofthings.com)
  • For the regional course, the MVAR team travels to military hospitals and clinics to assess what medical personnel are already doing to address dizziness in patients with TBIs and inner ear disorders and to increase capabilities to improve quality of care. (health.mil)
  • Finally, dizziness can be caused by medications, abnormalities in your inner ear or psychiatric disorders. (mayoclinichealthsystem.org)
  • Sometimes the problem may be related to easily treated problems in the inner ear such as Positional Vertigo, a spinning dizziness that comes on with changing positions of your head. (neuropt.org)
  • However, the most common subcategories can be broken down as follows: 40% peripheral vestibular dysfunction, 10% central nervous system lesion, 15% psychiatric disorder, 25% presyncope/disequilibrium, and 10% nonspecific dizziness. (wikipedia.org)
  • One of the reasons for dizziness that has a pretty easy solution in it's beginning stages would be dehydration. (faultmagazine.com)
  • Vertigo is a severe form of dizziness. (medicalnewstoday.com)
  • A new Johns Hopkins research report says emergency room visits for severe dizziness have grown exponentially in recent years, with costs topping $3.9 billion in 2011 and projected to reach $4.4 billion by 2015. (hopkinsmedicine.org)
  • Usually, the intense pain of a migraine can be accompanied by dizziness. (tutorialspoint.com)
  • Samuels says that the type of dizziness you describe can point a primary care provider in the right direction. (webmd.com)
  • Primary care physicians evaluate most cases of dizziness and related symptoms. (medscape.com)
  • While most cases of dizziness are mild and quickly go away on their own, sometimes the problem requires medical attention. (xshotpix.com)
  • The adverse consequence of dizziness cannot be disparaged. (ipsnews.net)
  • Dizziness can accompany certain serious events, such as a concussion or brain bleed, epilepsy and seizures (convulsions), stroke, and cases of meningitis and encephalitis. (wikipedia.org)
  • For example, some problems that can accompany dizziness are signs of a stroke, including changes in vision or speech, numbness, or weakness in the face or one or more limbs. (medicalnewstoday.com)
  • When dizziness is accompanied by symptoms such as difficulty speaking, numbness or tingling in the hands and feet or weakness in the arms and legs, stroke is always a concern," Dr. Panchagnula says. (henryford.com)
  • However, sensitivity analyses with this study found that variables such as health status after dizziness from peripheral etiologies, age, degree of adherence to secondary stroke prevention measures and likelihood of progression to adverse events such as major stroke do not have an impact on imaging selection. (diagnosticimaging.com)
  • Does the dizziness occur sporadically or is it constant? (henryford.com)
  • The post-trauma headaches can often occur in someone who has experienced a TBI and these headaches frequently come with dizziness. (tutorialspoint.com)
  • Does your dizziness occur when you move? (stlukes-stl.com)
  • In the evaluation of a patient who experiences dizziness, the examiner's initial efforts must be directed at determining the exact nature of the patient's symptoms because the pathophysiology determines the patient's sensations. (medscape.com)
  • When we visit a doctor, we have to tell them all the symptoms that accompany our dizziness like a headaches or blurry vision or change in hearing etc. (tutorialspoint.com)
  • If you think your feelings of dizziness are caused by your medication, talk to your doctor about side-effects, alternative medications, and the possibility of changing your dosage. (getridofthings.com)
  • Feelings of dizziness are one of the many ways that your body may be trying to tell you that something isn't right. (baycare.org)
  • These feelings of dizziness and fatigue come from many potential causes, some serious and some not. (faultmagazine.com)
  • Dizziness is a common medical complaint, affecting 20-30% of persons. (wikipedia.org)
  • Dizziness and vertigo are among the most common symptoms causing patients to visit a physician (as common as back pain and headaches). (medscape.com)
  • I see a lot of patients who are sent to me for evaluation of dizziness. (kevinmd.com)
  • Nearly half of all patients with dizziness now get CT scans, according to the report, published in the July issue of the journal Academic Emergency Medicine . (hopkinsmedicine.org)
  • They also found that the proportion of dizziness visits that involved advanced imaging technology increased from 10 percent in 1995 to nearly 40 percent in 2011, while the use of imaging increased even more in patients without dizziness, whose scans increased from 3.4 percent to 19 percent over the study period. (hopkinsmedicine.org)
  • And while dizziness can often be easily treated, patients have to work with their doctors to pinpoint the underlying culprit. (henryford.com)
  • On the other hand, there is growing evidence that cervical proprioceptive input is important for balance and postural control not only in animals but also in humans, and that intervention in disorders affecting the human cervical segment may relieve dizziness in some patients. (lu.se)
  • Noting that initial imaging sensitivity is a key factor in cost-effectiveness for patients who do not require acute treatment for dizziness, researchers found that specialized MRI (including multiplanar high-resolution DWI) provided the most benefit in a comparative trial of neuroimaging modalities. (diagnosticimaging.com)
  • For the study, recently published in the American Journal of Roentgenology , researchers utilized a Markov decision-analytic model to compare the cost-effectiveness of four neuroimaging modalities in the workup of patients presenting with dizziness who are not deemed to be in need of acute intervention. (diagnosticimaging.com)
  • Specialized MRI is the most cost-effective imaging for patients who present with dizziness. (diagnosticimaging.com)
  • The Vestibular service (also known as Neurotology or Neuro-otology) is a Medical Consultant-led Multidisciplinary team consisting of Audiovestibular Physicians, Audiovestibular Scientist and Audiologists who work closely together with ENT (Otolaryngology), Neurology and Physiotherapy departments to assess and manage patients with balance problems and dizziness. (stgeorges.nhs.uk)
  • However, some patients still experience residual dizziness (RD) after treatment, and this disease's pathogenesis is currently unclear. (frontiersin.org)
  • However, clinical studies have found that 31-60% of patients still have symptoms such as dizziness, floating, unstable walking, neck tightness, and other symptoms after receiving treatment. (frontiersin.org)
  • patients with agoraphobia may describe their symptoms as dizziness. (medscape.com)
  • In most cases, acute, or short-term, dizziness is not likely due to a serious condition, but you should never take chances when your health is involved. (baycare.org)
  • The intended population is adults presenting to the ED with acute dizziness or vertigo. (nih.gov)
  • This article outlines the clinical approach to dizziness with emphasis on differentiating peripheral from central dizziness and on office management of the most common diseases. (medscape.com)
  • Dizziness is a word used by people to describe a variety of symptoms. (nih.gov)
  • Different people often use the terms "dizziness" and "vertigo" differently, perhaps because these sensations are hard to describe in words. (msdmanuals.com)
  • [ 1 ] The estimated number of 2011 US ED visits for dizziness or vertigo was 3.9 million. (medscape.com)
  • Dizziness accounts for about 5 to 6% of doctor visits. (msdmanuals.com)
  • If dizziness persists and interferes with routine activities or quality of life, it should be examined by a doctor. (xshotpix.com)
  • Thus dizziness can be caused by a variety of problems and may reflect a focal process (such as one affecting balance or coordination) or a diffuse one (such as a toxic exposure or low perfusion state). (wikipedia.org)
  • Menendez couldn't balance and claimed the dizziness "might be cholesterol related" because he "ate too much Mexican food," saying he'd eaten a torta earlier, according to the affidavit. (dallasnews.com)
  • Dizziness and losing balance not only disturbs your everyday routine but also lowers personal satisfaction. (ipsnews.net)
  • and that treatment of a cervical dysfunction reduces also dizziness or balance disturbance. (lu.se)
  • The Balance Section (variable name prefix BAQ) provides sample person interview data on the self-reported prevalence of balance, dizziness, and falls. (cdc.gov)
  • During the past 12 months, {have you/has SP} had dizziness, difficulty with balance or difficulty with falling? (cdc.gov)
  • Which of the things on this list, if any, were related to {your/SP's} dizziness or balance problem? (cdc.gov)
  • A physical examination that evaluates for nystagmus or other eye movement abnormalities may help a clinician rule out certain causes of dizziness. (lifeextension.com)
  • The panel derived 15 evidence-based recommendations based on the timing and triggers of the dizziness but recognizes that alternative diagnostic approaches exist, such as the STANDING protocol and nystagmus examination in combination with gait unsteadiness or the presence of vascular risk factors. (nih.gov)
  • He wants to assist people to overcome dizziness as well as vertigo. (ipsnews.net)
  • Dizziness is one of the most common symptoms that brings people in to see their primary care doctor, or to an ER or after-hours clinic. (henryford.com)
  • Unfortunately, some people are told that their symptoms of dizziness or vertigo are not real or a result of mental illness. (mayoclinichealthsystem.org)
  • Falls and dizziness are common among people over 65 years of age. (neuropt.org)
  • Even if dizziness only lasts for a short period of time and then goes away, it's important to be evaluated by a medical professional who can evaluate your condition and provide you with a diagnosis. (baycare.org)
  • If you've been partying like a rock star all night, barely getting any sleep, and you feel dizziness or fatigue, it's probably normal. (faultmagazine.com)
  • But you should still watch for signs of shock, with fatigue and dizziness being common symptoms. (faultmagazine.com)
  • I get sharp pain in left, upper abdomen and back followed by days of fatigue and dizziness. (healthtap.com)
  • What causes dizziness, numbness or tingling and stiff neck? (xshotpix.com)
  • Though dizziness after a car accident is normal and common, it is important that you don't ignore the symptoms and seek medical treatment promptly as it could be a sign of an underlying injury such as a TBI, concussion, TMJ, or a neck injury. (michiganautolaw.com)
  • How to tell if you have neck pain and dizziness? (xshotpix.com)
  • How to get rid of neck pain and dizziness? (xshotpix.com)
  • When to see a doctor for neck pain and dizziness? (xshotpix.com)
  • While the study authors conceded a prevailing perception that MRI significantly contributes to extraneous costs in the assessment of dizziness, they noted that non-contrast brain MRI is over $200 less than head and neck CTA, and the increased sensitivity may help prevent significant expenses related to long-term disability. (diagnosticimaging.com)
  • scale assessment, including Dizziness Handicap Inventory (DHI), Hamilton Anxiety Inventory (HAMA), Hamilton Depression Inventory (HAMD), rs-fMRI data collection, CRP treatment, and then a one-month follow-up. (frontiersin.org)
  • If you're experiencing unexplained dizziness, a trip to the doctor is a good idea, says neurologist Martin Allen Samuels, MD, professor of neurology at Harvard Medical School and chairman of the neurology department at Boston's Brigham and Women's Hospital. (webmd.com)
  • Dizziness is a very rich problem because it contains pieces of internal medicine, a lot of neurology, a lot of otolaryngology [ear, nose, and throat medicine], and a lot of psychiatry," Samuels tells WebMD. (webmd.com)