title: Medical and physiological considerations in the use of artificial cardiac pacing. I.
mesh_terms: D000219:Adams-Stokes Syndrome / Q000628:therapy; D001919:Bradycardia / Q000628:therapy; D006327:Heart Block / Q000628:therapy*; D006801:Humans; D009203:Myocardial Infarction / Q000150:complications; D010138:Pacemaker, Artificial; D013614:Tachycardia, Paroxysmal / Q000628:therapy; D014693:Ventricular Fibrillation / Q000628:therapy