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Prevention of Further Absorption of Poison01:14

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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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Nerve Excitability Assessment in Chemotherapy-induced Neurotoxicity
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Nerve agents: emergency preparedness.

Alan George Andrew Weir1,2, S Makin2, J Breeze3,4

  • 1Emergency Department, Basingstoke and North Hampshire Hospital, Basingstoke, UK.

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|January 31, 2020
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Summary
This summary is machine-generated.

Nerve agents are toxic organophosphorus compounds. Rapid medical treatment is crucial for survival, as poisoning can cause rapid death from respiratory and cardiac arrest.

Keywords:
accident & emergency medicinemedical historyneurology

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Area of Science:

  • Toxicology
  • Chemical Warfare Agents
  • Emergency Medicine

Background:

  • Nerve agents (NAs) are highly toxic organophosphorus compounds.
  • The Novichok class of NAs emerged in the early 1990s.
  • NAs have been used in warfare and terrorism, with significant health consequences.

Purpose of the Study:

  • To describe the development and pathophysiology of nerve agents.
  • To outline the clinical effects and management of NA poisoning.
  • To summarize documented cases of NA poisoning.

Main Methods:

  • Review of literature on nerve agent development and toxicology.
  • Analysis of clinical presentation and toxidrome associated with NA exposure.
  • Summary of historical incidents involving nerve agent use.

Main Results:

  • Nerve agents are organophosphorus esters with diverse properties.
  • Exposure can lead to rapid onset of severe symptoms including bronchorrhoea, bronchospasm, bradycardia, and convulsions.
  • Rapid medical intervention is critical to prevent death by asphyxiation and cardiac arrest.

Conclusions:

  • Effective emergency preparedness and rapid response are vital for managing nerve agent poisoning.
  • Understanding the pathophysiology and clinical effects of NAs is essential for timely and appropriate medical management.
  • Historical events highlight the severe threat posed by nerve agents and the importance of international conventions.