Atrial flutter.
D000328:Adult; D001282:Atrial Flutter / Q000188:drug therapy; D004071:Digitalis Glycosides / Q000627:therapeutic use; D004562:Electrocardiography; D006339:Heart Rate; D006801:Humans; D008297:Male; D011802:Quinidine / Q000627:therapeutic use
D004071:Digitalis Glycosides; D011802:Quinidine