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Related Concept Videos

Prevention of Further Absorption of Poison01:14

Prevention of Further Absorption of Poison

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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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Pharmaceutical Poisoning: Treatment Strategies01:26

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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...
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Pharmaceutical Poisoning: Potential Scenarios01:26

Pharmaceutical Poisoning: Potential Scenarios

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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...
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Toxic Reactions: Overview01:26

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When toxic substances penetrate the human body, they disseminate to various tissues, undergoing metabolic changes. This process yields reactive metabolites that may covalently bind with specific target molecules, resulting in toxicity.
Toxicity falls into two primary categories: local and systemic.
Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
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Types of Toxins01:36

Types of Toxins

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Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
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Enhanced Elimination of Poison01:26

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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.
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Related Experiment Video

Updated: Apr 16, 2026

Inducing Acute Liver Injury in Rats via Carbon Tetrachloride CCl4 Exposure Through an Orogastric Tube
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Caustic ingestion-a forensic overview.

Roger W Byard1

  • 1School of Medical Sciences, The University of Adelaide, and Forensic Science SA, Adelaide, SA, Australia.

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|February 27, 2015
PubMed
Summary

Ingesting corrosive substances like potassium hydroxide, acetic acid, and Lysol can cause severe aerodigestive tract and stomach burns. Fatalities result from perforation and hemorrhage due to these caustic injuries.

Keywords:
acidalkalicaustic ingestionchemical burnscorrosiveforensic sciencesuicide

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Area of Science:

  • Forensic Pathology
  • Toxicology

Background:

  • Ingestion of corrosive substances can lead to severe upper aerodigestive tract and stomach burns.
  • Substances with pH > 12 or < 2 pose significant risks.
  • Ingestion patterns show biphasic age distribution: self-harm in adults, accidental in pediatrics.

Observation:

  • Presents three cases involving potassium hydroxide, glacial acetic acid, and Lysol ingestion.
  • Deaths were attributed to caustic burns, perforation, and hemorrhage in the upper aerodigestive tract, esophagus, and stomach.
  • External injuries included perioral, limb, and trunk burns.

Findings:

  • Corrosive ingestion causes extensive liquefactive/coagulative necrosis in the aerodigestive tract.
  • Severity depends on agent nature, concentration, amount, and exposure time.
  • Autopsy findings must consider potential postmortem tissue damage.

Implications:

  • Highlights the critical role of forensic pathology in evaluating corrosive ingestions.
  • Emphasizes the severe, often fatal, consequences of caustic substance ingestion.
  • Underscores the need for awareness regarding accidental pediatric ingestions and adult self-harm cases.