title: Experience with implantable pacemakers using myocardial electrodes in the management of heart block.
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D004567:Electrodes, Implanted; D005260:Female; D005500:Follow-Up Studies; D006327:Heart Block / Q000628:therapy*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009206:Myocardium; D010138:Pacemaker, Artificial; D011183:Postoperative Complications / Q000401:mortality; D015996:Survival Rate; D013908:Thoracotomy