Atrio-ventricular block (heart block) treated by cardiac pacemaker.
D004562:Electrocardiography; D006327:Heart Block / Q000503:physiopathology / Q000628:therapy*; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D008991:Monitoring, Physiologic; D009549:Nigeria; D010138:Pacemaker, Artificial