Circulation Journal
Online ISSN : 1347-4820
Print ISSN : 1346-9843
ISSN-L : 1346-9843
Case Report
Ventricular Tachycardia With an Outflow Tract Septal Origin After Repair of Double Outlet Right Ventricle
Takumi YamadaYung R. LauHugh T. McElderryG. Neal Kay
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2008 Volume 72 Issue 3 Pages 496-499

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Abstract

A 12-year-old boy born with double outlet right ventricle (RV) developed sustained ventricular tachycardia (VT) 6 years after the corrective surgery and underwent electrophysiologic testing and catheter ablation. Electroanatomic mapping of the right and left ventricles during the VT revealed a centrifugal activation from the outflow tract septum. Though an excellent pace map was obtained in the RV, successful ablation was achieved on the left side. These findings suggested that the VT origin might have been located in the intramural region of the ventricular outflow tract septum with a preferential breakout site in the RV outflow tract. (Circ J 2008; 72: 496 - 499)

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© 2008 THE JAPANESE CIRCULATION SOCIETY
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