Electrocardiographic follow-up of patients with demand pacemakers.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001146:Arrhythmia, Sinus / Q000628:therapy; D001281:Atrial Fibrillation / Q000628:therapy; D001282:Atrial Flutter / Q000628:therapy; D002037:Bundle-Branch Block / Q000628:therapy; D002648:Child; D004562:Electrocardiography; D005260:Female; D005500:Follow-Up Studies; D006327:Heart Block / Q000628:therapy*; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial / Q000009:adverse effects