Chronic symptomatic sinus bradycardia treated with a permanent demand pacemaker.
D000368:Aged; D001146:Arrhythmia, Sinus / Q000175:diagnosis / Q000628:therapy*; D001919:Bradycardia / Q000175:diagnosis / Q000628:therapy*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial