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Anti-Arrhythmia Agent

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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.

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Encainide Topic Review

Encainide is a class IA antiarrhythmic drug that is no longer clinically used due to concerns of proarrhythmia.

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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.

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Atrial Fibrillation ECG Review

Atrial fibrillation occurs when action potentials fire very rapidly within the pulmonary veins or atrium in a chaotic manner.

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