Zigadenus
Zigadenus poisoning treated with atropine and dopamine. (1/2)
INTRODUCTION: Zigadenus (commonly known as "death camas" or "mountain camas") is a common plant in the lily family found throughout the United States. Its onion-like roots can be mistaken for an edible plant. Ingestion may cause hemodynamic instability which has successfully been treated with atropine. It has been suggested that vasopressors may be an effective therapy for this ingestion. We report the successful use of dopamine as therapy in Zigadenus ingestion. CASE REPORT: A 45 year-old, previously healthy male presented to the ED with complaints of severe nausea and vomiting after ingesting two "wild onion" bulbs. He was noted to have marked hypotension and bradycardia in the ED, which initially responded to treatment with IV fluids and atropine. The plant was identified as a species of Zigadenus. After a second drop in heart rate and blood pressure in the ICU, hypotension and bradycardia were treated successfully with a dopamine infusion. DISCUSSION: Zigadenus ingestion presents with vomiting, hypotension and bradycardia. The hemodynamic instability responded well to atropine for 1-2 hours. Dopamine infusion was used to stabilize both heart rate and blood pressure. With supportive care, poisoned individuals become relatively asymptomatic within 24 hours of their ingestion. Patients may be discharged once asymptomatic, typically the day after ingestion, and do not have any known long term sequelae. CONCLUSION: Zigadenus poisoning causes vomiting, hypotension and bradycardia. The hemodynamic instability may be treated with atropine administration and dopamine infusion. (+info)The acute toxicity of the death camas (Zigadenus species) alkaloid zygacine in mice, including the effect of methyllycaconitine coadministration on zygacine toxicity. (2/2)
(+info)Zigadenus is a genus of plants in the family Melanthiaceae, also known as death camas or false hellebore. These plants contain toxic alkaloids that can cause serious illness or death if ingested. They have been known to be mistaken for edible plants such as wild onions or garlic, leading to accidental poisonings. Symptoms of poisoning may include nausea, vomiting, abdominal pain, diarrhea, muscle weakness, seizures, and respiratory failure. It is important to exercise caution when foraging for wild plants and to consult with a knowledgeable expert before consuming any unfamiliar species.
Delphinium is a genus of perennial flowering plants in the family Ranunculaceae, also known as larkspur. It includes over 300 species that are native to the Northern Hemisphere, with the greatest diversity found in the mountainous regions of western North America and southern Europe.
Delphiniums are herbaceous plants that can grow up to several feet tall, depending on the species. They have palmately compound leaves that are divided into several lobes. The flowers are borne in dense spikes or racemes and have five distinct sepals, four of which are often brightly colored and petal-like, while the fifth is small and leaflike. The flowers also have numerous stamens and a single pistil.
Delphiniums are popular ornamental plants due to their showy flowers, which come in a variety of colors including blue, purple, pink, white, and yellow. However, some species contain toxic alkaloids that can be harmful or fatal if ingested by humans or animals. It is important to handle delphiniums with care and keep them out of reach of children and pets.
Zigadenus
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Browsing by Title
Venenosus1
- Zigadenus venenosus) is a herbaceous bulbous plant from mountain meadows and prairies in western North America. (rareplants.es)
Fremontii1
- Zigadenus fremontii) is a very showy bulbous species with recurving leaves in a basal rosette and an inflorescence with cream-white flowers with an inner lemon-green ring. (rareplants.es)
Paniculatus2
Deathcamas1
- Zigadenus glaberrimus, sandbog deathcamas, is the only species remaining in the genus. (wikipedia.org)
Glaberrimus5
- Zigadenus is a genus of flowering plants now containing only one species, Zigadenus glaberrimus, the sandbog death camas, found in the southeastern United States from Mississippi to Virginia. (wikipedia.org)
- Zigadenus glaberrimus generally grows to a height of 60-120 cm (2-4 ft). (wikipedia.org)
- Zigadenus glaberrimus flowers from mid July to September. (wikipedia.org)
- Zigadenus glaberrimus Michaux, Fl. (wikipedia.org)
- It was great to catch the native Zigadenus glaberrimus in full flower by the lower pond. (jlbg.org)
Toxicoscordion1
- The old genus Zigadenus has been recently split up into several new genera: Amianthium, Anticlea, Stenanthium, Toxicoscordion, and former Zigadenus. (rareplants.es)
Genus2
- Resurrection of segregates of the polyphyletic genus Zigadenus s.l. (wikipedia.org)
- Zigadenus elegans) is amongst the most ornamental species in its genus with star shaped, cream white flowers with a greenish yellow eye. (rareplants.es)
Glaucus1
- Zigadenus glaucus (Nutt. (usf.edu)
Fernald1
- Fernald (1950) separated the plants into two species, however, the descriptions given can be applied to the plants now considered subspecies of Zigadenus elegans . (mt.gov)
Species1
- However, most specimens of this bee have been collected primarily from one of several species of another toxic range plant, death camas (Zigadenus). (usda.gov)
Spikes1
- The toxic Zigadenus elegans is abundant here too, with white spikes of small flowers poking up between more showy flowered plants. (blogspot.com)
Death1
- Death camas, Zigadenus spp. (ctuir.org)
York1
- Considered collectively, Zigadenus elegans is distributed across much of the United States and Canada, ranging from Eastern Quebec to New York, disjunct in the southern Appalachian region, west to Arizona and New Mexico, north to Alaska. (mt.gov)
Elegans1
- Zigadenus elegans ssp. (namethatplant.net)
Lily1
- This is Fremont Lily (Zigadenus fremontii) making a fast comeback. (sonocaia.com)