Atrial reciprocal rhythm following DC conversion of atrial flutter.
D001282:Atrial Flutter / Q000150:complications / Q000503:physiopathology / Q000628:therapy*; D006332:Cardiomegaly / Q000150:complications; D004554:Electric Countershock; D004562:Electrocardiography; D006325:Heart Atria / Q000503:physiopathology*; D006329:Heart Conduction System / Q000503:physiopathology; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D013610:Tachycardia / Q000150:complications