Anti-Arrhythmia Agent
Part of the Healio Network
Ibutilide Topic Review
Ibutilide is a class III antiarrhythmic drug and works via enhancement of the slow inward sodium current, unlike other class III agents that are cardiac potassium channel blockers.
Part of the Healio Network
Encainide Topic Review
Encainide is a class IA antiarrhythmic drug that is no longer clinically used due to concerns of proarrhythmia.
Part of the Healio Network
Bretylium Topic Review
Bretylium is a class III antiarrhythmic drug rarely used in modern medicine to treat ventricular tachycardia and ventricular fibrillation when first-line agents fail.
Part of the Healio Network
Atrial Fibrillation ECG Review
Atrial fibrillation occurs when action potentials fire very rapidly within the pulmonary veins or atrium in a chaotic manner.