[Treatment of cardiac arrhythmia with direct current electric countershock].
D001145:Arrhythmias, Cardiac / Q000628:therapy*; D001281:Atrial Fibrillation / Q000628:therapy; D001282:Atrial Flutter / Q000628:therapy; D004554:Electric Countershock; D006801:Humans; D012008:Recurrence; D013610:Tachycardia / Q000628:therapy