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- Title
Tachycardia Mediated by an AV Universal (DDD) Pacemaker Triggered by a Ventricular Depolarization.
- Authors
Pimenta, João; Soldá, Roberto; Pereira, Carlos Britto
- Abstract
A 44-year-old female had Chagas' disease with right bundle branch block, right axis deviation, and ventricular ectopic beats. An invasive evaluation showed a prolonged HV interval of 100 ms. A Medtronic Versatrax 7000 was implanted, after which a pacemaker-mediated tachycardia was observed. The esophageal lead ruled out the possibility of an atrial triggered tachycardia. The diagnosis was pacemaker-mediated tachycardia due to abnormal sensing of the terminal forces of the ventricular activation because of malposition of the atrial lead in the right ventricular out-flow tract.
- Subjects
TACHYCARDIA; CARDIAC pacemakers; NEUROMUSCULAR depolarizing agents; WOMEN patients; CHAGAS' disease; BUNDLE-branch block; HEART ventricles
- Publication
Pacing & Clinical Electrophysiology, 1986, Vol 9, Issue 1, p105
- ISSN
0147-8389
- Publication type
Article
- DOI
10.1111/j.1540-8159.1986.tb05366.x