Two wrongs sometimes make a right!
D001146:Arrhythmia, Sinus / Q000150:complications; D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D002037:Bundle-Branch Block / Q000150:complications; D005117:Cardiac Complexes, Premature / Q000150:complications; D006332:Cardiomegaly / Q000150:complications; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D013610:Tachycardia / Q000150:complications