Epicardial versus endocardial pacemakers. Analysis of 109 cases.
D000328:Adult; D000368:Aged; D004699:Endocardium / Q000601:surgery*; D005500:Follow-Up Studies; D006327:Heart Block / Q000601:surgery*; D006801:Humans; D008722:Methods; D008875:Middle Aged; D010138:Pacemaker, Artificial; D010496:Pericardium / Q000601:surgery*; D011183:Postoperative Complications / Q000401:mortality; D013997:Time Factors; D014680:Veins / Q000601:surgery