International Heart Journal
Online ISSN : 1349-3299
Print ISSN : 1349-2365
ISSN-L : 1349-2365
Case Reports
Bigeminal Pulmonary Vein Ectopy Suppressed by Pulmonary Vein Isolation
Takumi YamadaYoshimasa MurakamiJunji ToyamaToyoaki Murohara
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2008 Volume 49 Issue 1 Pages 129-132

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Abstract

A 58-year-old man with atrial fibrillation underwent pulmonary vein (PV) isolation (PVI). Bigeminal atrial premature beats persisted from the beginning of the PVI. The cardiac recordings from a basket catheter (BC) revealed the PV ectopic origin in the distal right superior PV. Successful PVI with the guidance of BC was confirmed by the appearance of concealed ectopy. Surprisingly, the PV ectopy completely disappeared immediately after the successful PVI. The findings suggest that the generation of PV trigger is sometimes dependent on left atrial input and that the underlying mechanism of the PV trigger may have been triggered activity or reentry.

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© 2008 by the International Heart Journal Association
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