title: The cardiac pacemaker: a different twist.
abstract: A new complication of transvenous pacing is described. Twists developing in an endocardial lead indicate that the pulse generator pocket is too large. Pacemaker failure because of electrode dislodgement or lead fracture will ensue.
mesh_terms: D000368:Aged; D001919:Bradycardia / Q000628:therapy; D005260:Female; D006333:Heart Failure / Q000628:therapy; D006801:Humans; D010138:Pacemaker, Artificial / Q000009:adverse effects* / Q000295:instrumentation; D011183:Postoperative Complications / Q000000981:diagnostic imaging; D011859:Radiography