Related Experiment Video
Updated: Oct 3, 2025

Percutaneous Contrast Echocardiography-guided Intramyocardial Injection and Cell Delivery in a Large Preclinical Model
Published on: January 21, 2018
[Amiodarone: some toxicity considerations]
Halyna Savchuk1, Pierre-Olivier Bridevaux2,3,4, Judith Fournier1
1Service de médecine interne générale, Centre hospitalier du Valais romand, Hôpital du Valais, Hôpital de Sion, 1951 Sion.
Abstract:
Amiodarone is a class III antiarrhythmic drug effective in the treatment of ventricular arrhythmias and atrial fibrillation. The prolonged half-life and lipo-solubility are responsible for its accumulation in tissues and its toxicity ranges from mild to severe. Main adverse effects are observed on thyroid, pulmonary and cardiac system. Clinical and biological monitoring allows early detection of their occurrence. In case of serious side effect, treatment discontinuation is often necessary and therapeutic alternatives must be considered.
More Related Videos
Related Concept Videos
Antiarrhythmic Drugs: Class III Agents as Potassium Channel Blockers
Antiarrhythmic Drugs: Class I Agents as Sodium Channel Blockers
Class 1A Antiarrhythmic Drugs: These drugs work by moderately blocking sodium channels,...
Heart Failure Drugs: Inotropic Agents
Antiarrhythmic Drugs: Class II Agents as β-Adrenergic Blockers
Dysrhythmias VI: Management of Dysrhythmias
Antiarrhythmic Drugs: Class IV Agents as Calcium Channel Blockers
Verapamil, a calcium channel blocker, inhibits calcium movement across myocardial cell membranes and vascular smooth muscle. This results in the dilation of coronary and...

