title: Indications for and use of artificial cardiac pacemakers: Part I.
mesh_terms: D001919:Bradycardia / Q000628:therapy*; D002304:Cardiac Pacing, Artificial / Q000379:methods*; D004562:Electrocardiography; D004567:Electrodes, Implanted; D004867:Equipment Design; D006325:Heart Atria; D006327:Heart Block / Q000628:therapy*; D006329:Heart Conduction System / Q000503:physiopathology; D006352:Heart Ventricles; D006801:Humans; D010138:Pacemaker, Artificial