Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
CASE REPORTS
Catheter Ablation of a Polymorphic Ventricular Tachycardia Inducing Monofocal Premature Ventricular Complex
Takashi UemuraHiroshige YamabeYasuaki TanakaKenji MorihisaHiroaki KawanoKoichi KaikitaHitoshi SumidaSeigo SugiyamaHisao Ogawa
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JOURNAL OPEN ACCESS

2008 Volume 47 Issue 20 Pages 1799-1802

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Abstract

Ventricular tachycardia originating from the right ventricular outflow tract (RVOT) is considered benign, but sometimes it causes polymorphic ventricular tachycardia and ventricular fibrillation, resulting in sudden cardiac death. A 58-year-old woman without structural heart disease was admitted for evaluation of recurrent episodes of syncope. Surface ECG showed frequent repetitive premature ventricular contraction (PVC) of RVOT origin. Polymorphic ventricular tachycardia triggered by the same PVC was documented by Holter ECG during an episode of syncope. Radiofrequency catheter ablation was performed to eradicate this PVC. No polymorphic ventricular tachycardia has developed after the procedure, and the patient has had no recurrence of syncope.

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© 2008 by The Japanese Society of Internal Medicine
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