Bidirectional ventricular tachycardia with alternating right and left bundle branch block morphology in a patient with metastatic cardiac tumors

Bidirectional ventricular tachycardia with alternating right and left bundle branch block morphology in a patient with metastatic cardiac tumors

Author Dorfman, F. K. Google Scholar
Mesas, C. E. Google Scholar
Cirenza, C. Google Scholar
De Paola, AAV Google Scholar
Institution Universidade Federal de São Paulo (UNIFESP)
Abstract A case is reported of bidirectional ventricular tachycardia and syncope in a 16-year-old male with a previous history of a paratesticular rhabdomyosarcoma that achieved complete remission with treatment. At the electrophysiological study, frequent ectopy of both right and left bundle branch block pattern were present, with runs of monomorphic and bidirectional VT alternating the two morphologies. the study suggested a single focus at the interventricular septum with two exit sites, depolarizing the right and left ventricle in an alternate fashion. Reassessment of the malignancy status showed multiple cardiac metastases with a 4 mm nodule at the interventricular septum.
Keywords bidirectional ventricular tachycardia
cardiac tumor
metastasis
Language English
Date 2006-07-01
Published in Journal of Cardiovascular Electrophysiology. Oxford: Blackwell Publishing, v. 17, n. 7, p. 784-785, 2006.
ISSN 1045-3873 (Sherpa/Romeo, impact factor)
Publisher Blackwell Publishing
Extent 784-785
Origin http://dx.doi.org/10.1111/j.1540-8167.2006.00409.x
Access rights Closed access
Type Article
Web of Science ID WOS:000238395900019
URI http://repositorio.unifesp.br/handle/11600/29043

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