title: Recurrent atrial electrode displacement complicating a single lead VDD pacing system.
abstract: We describe an unusual complication of single-lead VDD pacing: recurrent advancement of the atrial bipole into the right ventricle. As a consequence, the patient experienced symptomatic pacemaker-mediated tachycardia and underwent two revision operations to achieve adequate fixation of the lead.
authors.affiliation: Cardiology Department, St. Vincent's Hospital, Darlinghurst, NSW, Australia.
authors.forename: B D
authors.initials: BD
authors.lastname: Walker
authors.forename: C W
authors.initials: CW
authors.lastname: Thorburn
authors.forename: D L
authors.initials: DL
authors.lastname: Kuchar
mesh_terms: D004562:Electrocardiography; D004567:Electrodes, Implanted; D019544:Equipment Failure Analysis; D005548:Foreign-Body Migration / Q000209:etiology / Q000503:physiopathology; D006325:Heart Atria / Q000503:physiopathology; D006327:Heart Block / Q000503:physiopathology / Q000628:therapy*; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial; D012008:Recurrence; D013610:Tachycardia / Q000209:etiology / Q000503:physiopathology