[Extrasystole].
D001281:Atrial Fibrillation / Q000209:etiology; D005117:Cardiac Complexes, Premature / Q000145:classification / Q000175:diagnosis / Q000209:etiology / Q000503:physiopathology; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology; D006339:Heart Rate; D006801:Humans
Die Extrasystolie.