The advantages of demand over fixed-rate pacing. Report of clinical experience.
D005117:Cardiac Complexes, Premature / Q000517:prevention & control; D006327:Heart Block / Q000628:therapy*; D006339:Heart Rate; D008722:Methods; D010138:Pacemaker, Artificial / Q000009:adverse effects; D013610:Tachycardia / Q000517:prevention & control; D014693:Ventricular Fibrillation / Q000517:prevention & control