title: "Tripolar system" for transvenous atrioventricular pacing.
abstract: A ventricular inhibited unipolar pacing system in a case of so-called pacemaker syndrome was successfully converted into an atrioventricular sequential system without replacing the ventricular lead.
mesh_terms: D000368:Aged; D001919:Bradycardia / Q000628:therapy; D002302:Cardiac Output; D004562:Electrocardiography; D006801:Humans; D007022:Hypotension / Q000628:therapy; D008297:Male; D010138:Pacemaker, Artificial