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Related Concept Videos

Prevention of Further Absorption of Poison01:14

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...
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...
Antidotes01:17

Antidotes

Antidotes are medicinal substances used to counteract the harmful effects of toxins or drugs in the body. They function in various ways, each uniquely designed to combat specific toxic compounds.
Specific antidotes operate by inhibiting the enzymes that control biochemical pathways, reducing the production of harmful metabolites.
An example of an antidote is atropine, which counteracts the detrimental effects of cholinesterase inhibitors. It achieves this by deactivating muscarinic receptors,...
Drug toxicity: Idiosyncratic Reactions01:16

Drug toxicity: Idiosyncratic Reactions

Idiosyncratic drug reactions represent abnormal chemical responses that vary significantly among individuals, ranging from extreme sensitivity to low doses to insensitivity to high doses. These reactions often occur due to the drug's covalent binding with serum proteins, forming a foreign hapten that triggers an immunotoxicological response. The variability in drug reactions has a strong pharmacogenetic foundation, with genetic differences crucial in how individuals metabolize drugs. For...

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Toxicological risks on the human health of populations living around the Mediterranean Sea linked to the invasion of non-indigenous marine species from the Red Sea: A review.

Toxicon : official journal of the International Society on Toxinology·2020
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Related Experiment Video

Updated: Jun 23, 2026

Detection of Regulated Ergot Alkaloids in Food Matrices by Liquid Chromatography-Trapped Ion Mobility Spectrometry-Time-of-Flight Mass Spectrometry
08:56

Detection of Regulated Ergot Alkaloids in Food Matrices by Liquid Chromatography-Trapped Ion Mobility Spectrometry-Time-of-Flight Mass Spectrometry

Published on: November 22, 2024

[Intoxications specific to the Aquitaine region].

R Bédry1, S Gromb

  • 1UHSI, pôle médico-judiciaire, hôpital Pellegrin, place Amélie-Raba-Léon, 33076 Bordeaux cedex, France. regis.bedry@chu-bordeaux.fr

La Revue De Medecine Interne
|April 21, 2009
PubMed
Summary

Aquitaine, France, experiences unique intoxications from pine processionary caterpillars, venomous marine life, and endemic mushrooms like Tricholoma auratum, which can cause severe rhabdomyolysis.

Area of Science:

  • Environmental toxicology
  • Regional pathology

Context:

  • Aquitaine region's unique environment and traditional activities contribute to specific intoxications.
  • Identifies three primary intoxication types prevalent in the area.

Purpose:

  • To highlight and describe intoxications specific to the Aquitaine region.
  • To inform about environmental and dietary risks in the area.

Summary:

  • Pine processionary caterpillar (Thaumetopoea pityocampa) envenomations cause skin and ocular issues.
  • Venomous marine fauna, including jellyfish and weeverfish, present localized risks along the coast.
  • Endemic mushroom Tricholoma auratum, previously considered edible, has caused severe rhabdomyolysis, with three fatalities confirmed by animal studies.

More Related Videos

Long-term Lethal Toxicity Test with the Crustacean Artemia franciscana
14:40

Long-term Lethal Toxicity Test with the Crustacean Artemia franciscana

Published on: April 14, 2012

Ecotoxicological Method with Marine Bacteria Vibrio anguillarum to Evaluate the Acute Toxicity of Environmental Contaminants
11:26

Ecotoxicological Method with Marine Bacteria Vibrio anguillarum to Evaluate the Acute Toxicity of Environmental Contaminants

Published on: May 26, 2017

Related Experiment Videos

Last Updated: Jun 23, 2026

Detection of Regulated Ergot Alkaloids in Food Matrices by Liquid Chromatography-Trapped Ion Mobility Spectrometry-Time-of-Flight Mass Spectrometry
08:56

Detection of Regulated Ergot Alkaloids in Food Matrices by Liquid Chromatography-Trapped Ion Mobility Spectrometry-Time-of-Flight Mass Spectrometry

Published on: November 22, 2024

Long-term Lethal Toxicity Test with the Crustacean Artemia franciscana
14:40

Long-term Lethal Toxicity Test with the Crustacean Artemia franciscana

Published on: April 14, 2012

Ecotoxicological Method with Marine Bacteria Vibrio anguillarum to Evaluate the Acute Toxicity of Environmental Contaminants
11:26

Ecotoxicological Method with Marine Bacteria Vibrio anguillarum to Evaluate the Acute Toxicity of Environmental Contaminants

Published on: May 26, 2017

Impact:

  • Raises awareness of regional toxicological hazards in Aquitaine.
  • Informs public health strategies and clinical management of these specific intoxications.