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KMID : 1011920110120020041
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International Journal of Arrhythmia
2011 Volume.12 No. 2 p.41 ~ p.44
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Catheter ablation of a right concealed accessory pathway in a hypertrophic cardiomyopathy patient with a left posteroseptal manifeste accessory pathway as an innocent bystander
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Kim Jin-Bae
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Abstract
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41-year-old man presented with a ventricular preexcitation syndrome and a hypertrophic cardiomyopathy. EP testing demonstrated that the manifeste bypass tract was an innocent bystander and another concealed bypass tract was utilized as retrograde conduction during atrioventricular reentry tachycardia. The accessory pathway could be localized at the right free wall and the left posteroseptal area. They were successfully abolished after subvalvular placement of the electrode catheter in the left ventricle. Successful RF ablation procedures provide an obvious risk reduction as a result of a lower frequency of atrial fibrillation and the eliminated risk of ventricular fibrillation due to rapid conduction via an accessory pathway.
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KEYWORD
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bypass tract, catheter ablation, hypertropic cardiomyopathy
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