Advanced cardiac pacemakers.
D002346:Carotid Sinus; D004562:Electrocardiography; D005500:Follow-Up Studies; D006327:Heart Block / Q000628:therapy; D006339:Heart Rate; D006801:Humans; D008905:Minicomputers; D010138:Pacemaker, Artificial / Q000009:adverse effects / Q000145:classification; D012804:Sick Sinus Syndrome / Q000628:therapy; D013575:Syncope / Q000628:therapy; D013577:Syndrome; D009626:Terminology as Topic