The effect of direct current countershock on the myocardium.
D000328:Adult; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000628:therapy; D004554:Electric Countershock; D006801:Humans; D008297:Male; D008875:Middle Aged; D009206:Myocardium; D013610:Tachycardia / Q000628:therapy