title: Controversies in cardiac pacing.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000401:mortality / Q000628:therapy; D002302:Cardiac Output; D004562:Electrocardiography; D005500:Follow-Up Studies; D006339:Heart Rate; D006801:Humans; D008991:Monitoring, Physiologic; D010138:Pacemaker, Artificial / Q000295:instrumentation / Q000379:methods