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Related Concept Videos

Toxic Reactions: Overview01:26

Toxic Reactions: Overview

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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.
In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...
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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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CNS Depressants: Alcohol and Nicotine01:27

CNS Depressants: Alcohol and Nicotine

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Ethanol, a clear colorless alcohol, has been consumed by humans for millennia, but its effects on the body are far from benign. At lower doses, it induces decreased inhibitions and loquaciousness, leading to its social appeal. However, it can cause severe consequences at higher doses, such as coma and respiratory depression, due to its zero-order elimination kinetics. Chronic ethanol abuse wreaks havoc on multiple organ systems, particularly the CNS and the liver. Abrupt cessation of ethanol...
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Anticholinesterase Agents: Poisoning and Treatment01:26

Anticholinesterase Agents: Poisoning and Treatment

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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...
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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

Enhanced Elimination of Poison

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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.
Renal excretion is the...
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Toxic Alcohol Poisoning.

Jennifer A Ross1, Heather A Borek2, Christopher P Holstege3

  • 1Adolescent Substance Use and Addiction Program (ASAP), Boston Children's Hospital, Boston, MA 02115, USA.

Emergency Medicine Clinics of North America
|April 24, 2022
PubMed
Summary
This summary is machine-generated.

This review covers toxic alcohols like methanol and ethylene glycol, detailing their metabolism, effects, and treatment. It highlights the role of anion gap metabolic acidosis and osmol gap in managing patients with toxic alcohol poisoning.

Keywords:
AcetoneDiethylene glycolEthylene glycolIsopropyl alcoholMethanolOsmol gapPropylene glycolToxic alcohol

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Area of Science:

  • Toxicology
  • Emergency Medicine
  • Clinical Chemistry

Background:

  • Toxic alcohols pose significant health risks.
  • Accurate diagnosis and management are crucial for patient outcomes.

Purpose of the Study:

  • To review toxic alcohols including ethylene glycol, methanol, and others.
  • To discuss their metabolism, clinical effects, and treatment strategies.
  • To emphasize the role of anion gap metabolic acidosis and osmol gap in patient management.

Main Methods:

  • Literature review of toxic alcohol poisoning.
  • Analysis of metabolic pathways and clinical presentations.
  • Evaluation of diagnostic tools like anion gap and osmol gap.

Main Results:

  • Detailed review of specific toxic alcohols (ethylene glycol, methanol, etc.).
  • Explanation of anion gap metabolic acidosis in toxic alcohol ingestions.
  • Discussion on the utility and limitations of osmol gap calculations.

Conclusions:

  • Understanding toxic alcohol characteristics is vital for effective treatment.
  • Anion gap metabolic acidosis is a key indicator in toxic alcohol poisoning.
  • Osmol gap aids in diagnosis but requires careful interpretation.