Interactions between two simultaneous tachycardias within an electrically isolated pulmonary vein
Date
2007
Authors
Rostock, T.
O'Neill, M.
Takahashi, Y.
Sanders, P.
Haissaguerre, M.
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Journal article
Citation
Journal of Cardiovascular Electrophysiology, 2007; 18(4):441-445
Statement of Responsibility
Thomas Rostock, Mark D. O'Neill, Yoshihide Takahashi, Prashanthan Sanders, and Michel Haissaguerre
Conference Name
Abstract
Pulmonary vein (PV) arrhythmogenicity underlying the maintenance of atrial fibrillation (AF) may be explained by three mechanisms: enhanced automaticity, triggered activity, and reentry. There are only a few reports describing sustained PV tachycardias (PVT) following electrical disconnection from the left atrium, in which the electrophysiological features are most consistent with a reentrant mechanism. We describe the case of a patient with paroxysmal AF demonstrating PVT within an isolated PV with high-density mapping revealing two different PVTs interacting in a "ping-pong" manner.
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