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Related Concept Videos

Physical Properties of Amines01:26

Physical Properties of Amines

Amines with low molecular weight are usually gaseous at room temperature, while those with high molecular weight are liquid or solids in nature. Usually, low molecular weight amines have a rotten fish-like smell. Diamines typically have a pungent smell. For instance, cadaverine and putrescine, depicted in Figure 1, are two molecules responsible for decaying tissue.
Anticholinesterase Agents: Poisoning and Treatment01:26

Anticholinesterase Agents: Poisoning and Treatment

Anticholinesterases, also known as cholinesterase inhibitors, work by blocking the breakdown of acetylcholine, leading to its accumulation in the synaptic cleft. This accumulation indirectly enhances both muscarinic and nicotinic actions. These agents are classified as reversible or irreversible based on their mechanism of action.     
Irreversible agents form a strong bond with the cholinesterase enzyme, making it inactive. The breakdown of the phosphorylated enzyme is slower than the...
Toxidromes: Clinical Features01:30

Toxidromes: Clinical Features

Toxidromes are specific patterns of symptoms resulting from toxic substance exposure. They help in the identification and treatment of poisoning. The symptoms of each toxidrome group indicate poisoning by a certain class of chemicals or drugs.1. Sympathomimetic: Stimulates the sympathetic nervous system. Symptoms include agitation, increased heart rate (HR), blood pressure (BP), respiratory rate (RR), temperature, and pupil size. Drugs like cocaine and amphetamines, along with tremors and...
Pharmaceutical Poisoning: Treatment Strategies01:26

Pharmaceutical Poisoning: Treatment Strategies

Treatment strategies for poisoning are a critical aspect of emergency medicine, focusing on preventing the absorption of toxins and enhancing their elimination. When a poisoning incident occurs, the first response is to halt exposure and decontaminate the patient, particularly through gastrointestinal (GI) methods if the poison was ingested.Gastrointestinal Decontamination Techniques:Activated charcoal is the cornerstone of GI decontamination. It works through adsorption, binding the toxin to...
Fungal Phylum Basidiomycota01:26

Fungal Phylum Basidiomycota

Basidiomycota is a diverse phylum of fungi that includes ecologically significant decomposers such as white rot fungi, symbionts like mycorrhizal fungi, plant pathogens such as rusts and smuts, and edible species like Agaricus bisporus (the common button mushroom). These fungi play crucial roles in nutrient cycling, symbiotic relationships, and even human health. Their defining feature is the basidium, a microscopic club-shaped structure responsible for producing basidiospores.Fruiting Bodies...
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Prevention of Further Absorption of Poison

In cases of acute poisoning, the primary objective is to prevent further absorption of the toxic substance into the body. Immediate interventions using various decontamination techniques targeting the gastrointestinal (GI) tract can achieve this. Decontamination is crucial to prevent poison from entering the systemic circulation, which involves washing affected areas with water and mild soap and removing contaminated clothing. Once external decontamination is done, attention must be turned to...

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Related Experiment Video

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Rapid High-throughput Species Identification of Botanical Material Using Direct Analysis in Real Time High Resolution Mass Spectrometry
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Published on: October 2, 2016

Amanita phalloides poisoning.

Loren Keith French1, Robert G Hendrickson, B Zane Horowitz

  • 1Emergency Department, Oregon Health & Science University, Portland 97239-3098, USA. frenchk@ohsu.edu

Clinical Toxicology (Philadelphia, Pa.)
|March 5, 2011
PubMed
Summary

A Vietnamese family experienced delayed gastrointestinal symptoms and liver injury after consuming wild mushrooms. One family member died, highlighting the danger of misidentifying Amanita phalloides.

Area of Science:

  • Mycology
  • Toxicology
  • Gastroenterology

Background:

  • Wild mushroom consumption poses risks due to potential toxicity.
  • Accurate identification of wild mushrooms is crucial for preventing poisoning.

Observation:

  • A Vietnamese family in the Pacific Northwest ingested wild mushrooms from their lawn.
  • Symptoms, including gastrointestinal distress, began approximately 12 hours post-ingestion.
  • The family members developed delayed hepatic injury.

Findings:

  • One individual died, while two others suffered liver damage.
  • The implicated mushroom was identified as Amanita phalloides.
  • Photography and characteristics of the toxic mushroom are detailed.

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Implications:

  • This case underscores the severe health risks associated with consuming unidentified wild mushrooms.
  • Public awareness and education on mushroom identification are critical, especially in areas where toxic species like Amanita phalloides grow.
  • Prompt medical attention is vital for individuals experiencing symptoms after mushroom ingestion.