title: Failure of endocardial pacemaker due to late myocardial perforation. Successful restoration of cardiac pacing by conversion to an epicardial system.
mesh_terms: D000368:Aged; D004699:Endocardium; D006327:Heart Block / Q000628:therapy; D006335:Heart Injuries / Q000209:etiology*; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial / Q000009:adverse effects*; D010496:Pericardium; D013903:Thoracic Surgery; D013909:Thorax / Q000601:surgery