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Radiofrequency ablation of idiopathic ventricular fibrillation guided by noncontact mapping

Radiofrequency ablation of idiopathic ventricular fibrillation guided by noncontact mapping
Radiofrequency ablation of idiopathic ventricular fibrillation guided by noncontact mapping
A 32-year-old man with idiopathic ventricular fibrillation and an implantable cardioverter defibrillator presented during a ventricular fibrillation storm. Frequent monomorphic ventricular ectopics with left bundle branch block morphology were documented, some of which initiated fibrillation. He underwent noncontact mapping of the right ventricle, during which the ventricular ectopics were mapped to a site in the free wall displaying a diastolic potential 80 ms before ectopic QRS onset. Following three radiofrequency energy applications, the ectopics were abolished. After 11-month follow-up, he has experienced no further arrhythmias. Noncontact mapping may identify ablatable triggers of ventricular fibrillation and lead to successful outcomes even when only single ectopics are present.
1045-3873
957-959
Betts, Timothy R.
a9d90073-a54a-478c-81f0-39ecc5234047
Yue, Arthur
6bab01eb-b37c-4722-8e89-fa347e895e38
Roberts, Paul R.
193431e8-f9d5-48d6-8f62-ed9052b2571d
Morgan, John M.
ac98099e-241d-4551-bc98-709f6dfc8680
Betts, Timothy R.
a9d90073-a54a-478c-81f0-39ecc5234047
Yue, Arthur
6bab01eb-b37c-4722-8e89-fa347e895e38
Roberts, Paul R.
193431e8-f9d5-48d6-8f62-ed9052b2571d
Morgan, John M.
ac98099e-241d-4551-bc98-709f6dfc8680

Betts, Timothy R., Yue, Arthur, Roberts, Paul R. and Morgan, John M. (2004) Radiofrequency ablation of idiopathic ventricular fibrillation guided by noncontact mapping. Journal of Cardiovascular Electrophysiology, 15 (8), 957-959. (doi:10.1046/j.1540-8167.2004.03655.x).

Record type: Article

Abstract

A 32-year-old man with idiopathic ventricular fibrillation and an implantable cardioverter defibrillator presented during a ventricular fibrillation storm. Frequent monomorphic ventricular ectopics with left bundle branch block morphology were documented, some of which initiated fibrillation. He underwent noncontact mapping of the right ventricle, during which the ventricular ectopics were mapped to a site in the free wall displaying a diastolic potential 80 ms before ectopic QRS onset. Following three radiofrequency energy applications, the ectopics were abolished. After 11-month follow-up, he has experienced no further arrhythmias. Noncontact mapping may identify ablatable triggers of ventricular fibrillation and lead to successful outcomes even when only single ectopics are present.

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Published date: 2004

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Local EPrints ID: 25259
URI: http://eprints.soton.ac.uk/id/eprint/25259
ISSN: 1045-3873
PURE UUID: e5036eed-12d3-4093-bce2-6a33158008c6

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Date deposited: 06 Apr 2006
Last modified: 15 Jul 2019 19:16

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Contributors

Author: Timothy R. Betts
Author: Arthur Yue
Author: Paul R. Roberts
Author: John M. Morgan

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