title: DIRECT CURRENT COUNTERSHOCK IN CARDIAC ARRHYTHMIAS.
mesh_terms: D001145:Arrhythmias, Cardiac; D001281:Atrial Fibrillation; D001282:Atrial Flutter; D004554:Electric Countershock; D006801:Humans; D013610:Tachycardia
keywords: ARRHYTHMIA; AURICULAR FIBRILLATION; AURICULAR FLUTTER; ELECTRIC COUNTERSHOCK; TACHYCARDIA