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Related Concept Videos

Pharmaceutical Poisoning: Potential Scenarios01:26

Pharmaceutical Poisoning: Potential Scenarios

Pharmaceutical poisoning can occur through various channels, impacting an estimated 2 million hospitalized patients in the U.S. annually with serious adverse drug responses. These scenarios encompass both therapeutic uses, such as drug toxicity, where even standard dosages can lead to severe central nervous system depression, and non-therapeutic exposures, including accidental ingestion by children, and environmental and occupational exposures.Unintentional poisonings often involve exploratory...
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...
Enhanced Elimination of Poison01:26

Enhanced Elimination of Poison

Poison can be effectively removed from the gastrointestinal (GI) tract through various decontamination procedures.
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
Renal excretion is the...
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,...
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.     
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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...

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Dr Pugh: a poisoner?

J D Paull1, G M Morris

  • 1School of History and Classics, University of Tasmania, Newnham Campus, Launceston, Tasmania, Australia. jdpaull@intas.net.au

Anaesthesia and Intensive Care
|December 13, 2012
PubMed
Summary
This summary is machine-generated.

A 19th-century journal entry details a sudden death after taking hydrocyanic acid, questioning the medical treatment and drug preparation. This case highlights historical medical practices and potential pharmaceutical errors.

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Area of Science:

  • Medical History
  • Toxicology
  • Pharmaceutical Practice

Background:

  • A 1845 journal entry by Reverend W. H. Browne describes his wife's sudden death following the administration of hydrocyanic acid.
  • The preparation was supplied by Dr. Pugh, prompting questions about the intended treatment, dosage, and accuracy of the drug's preparation.

Purpose of the Study:

  • To investigate the circumstances surrounding Caroline Browne's death in 1845.
  • To explore the historical context of hydrocyanic acid as a medical treatment.
  • To analyze potential errors in drug preparation and administration during the mid-19th century.

Main Methods:

  • Analysis of the Reverend W. H. Browne's journal entry.
  • Historical research into medical practices and pharmacopoeias of the 1840s.
  • Examination of the properties and known uses of hydrocyanic acid in the 19th century.

Main Results:

  • Hydrocyanic acid was known and used in the 19th century, though its therapeutic applications and safety profile were not well-established.
  • Potential for significant variation in the concentration of prepared hydrocyanic acid existed due to preparation methods and available standards.
  • The case raises questions about medical accountability and the lack of formal inquests in certain historical medical incidents.

Conclusions:

  • The sudden death of Mrs. Browne highlights the risks associated with the use of potent substances like hydrocyanic acid in historical medical practice.
  • The incident underscores the importance of accurate drug preparation, standardized dosages, and proper medical oversight, which were less rigorous in the past.
  • While definitive answers remain elusive, the case serves as a historical example of potential pharmaceutical misadventure and its tragic consequences.