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  • Title: Radiofrequency catheter ablation of an orthodromic tachycardia in a patient with single ventricle.
    Author: Pedrote A, Arana E, García-Riesco L, Maya E, Errazquin F.
    Journal: Int J Cardiol; 2006 Sep 20; 112(2):e38-9. PubMed ID: 16843551.
    Abstract:
    Radiofrequency catheter ablation of a recurrent orthodromic tachycardia was performed in a 10-year-old child with single ventricle and bidirectional Glenn procedure before a Fontan operation. Identification of a His bundle electrogram was achieved at the postero-inferior atrioventricular (AV) groove by the inferior vena cava route, and electrophysiological demonstration of a concealed accessory pathway-mediated tachycardia was possible when a ventricular extrastimuli given during the His bundle refractoriness showed advancement of the atrium. A single energy application during tachycardia in the right antero-superior region of the AV groove resulted in the definitive interruption of the accessory pathway.
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