title: Unusual fracture of cardiac pacing electrode.
abstract: This report describes a patient with an epicardial demand pacing system in whom pacing failure two months after implantation was found to be due to a fracture of the helical wire electrode within its supporting structure. We know of no report of this site of failure of a Cordis 323-451 or similar electrode.
mesh_terms: D000368:Aged; D004566:Electrodes; D005260:Female; D006327:Heart Block / Q000628:therapy; D006801:Humans; D010138:Pacemaker, Artificial / Q000009:adverse effects*