Related Experiment Video
Updated: Sep 26, 2025

A Novel Approach for the Administration of Medications and Fluids in Emergency Scenarios and Settings
Published on: November 9, 2016
The Roles of Antidotes in Emergency Situations
Sasha K Kaiser1, Richard C Dart1
1Rocky Mountain Poison and Drug Safety, Denver Health and Hospital Authority, 1391 Speer Boulevard, Suite 600, Denver, CO 80204, USA.
Abstract:
Management of the acutely poisoned patient requires supportive care and timely administration of antidotes to minimize ongoing toxicity and mortality. New applications for old antidotes include utilization of methylene blue and hydroxocobalamin in vasoplegia. Fomepizole is also being evaluated as a potential adjunct in acetaminophen toxicity. Other advancements include individualized acetylcysteine dosing regimens for acetaminophen toxicity and carnitine supplementation in valproic acid toxicity. Additional antidote considerations include administration of lipid emulsion in lipophilic xenobiotic exposure not responsive to standard resuscitative modalities. These expert recommendations provide guidance for providers caring for the acutely poisoned patient.
Related Concept Videos
Antidotes
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,...
Prevention of Further Absorption of Poison
Adrenergic Agonists: Therapeutic Uses
Emergency and Intensive Care Unit (ICU) applications: Pressor agents increase blood pressure, heart rate, and contractility in shock and organ failure situations. Dopamine can induce vasodilation and stimulate adrenoceptors. Endogenous catecholamines are effective in treating cardiogenic shock. α2-agonists like clonidine can reverse anesthesia-induced hypertension.
Allergies and...
Enhanced Elimination of Poison
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...
Anticholinesterase Agents: Poisoning and Treatment
Irreversible agents form a strong bond with the cholinesterase enzyme, making it inactive. The breakdown of the phosphorylated enzyme is...
Cardiopulmonary Resuscitation III: AED Use

