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International Journal of Arrhythmia 2017;0(0):
Where we can find bypass tract in Ebstein’s anomaly?; a case of successful ablation of bypass tract in Ebstein’s anomaly
June Namgung 1, Jae-Jin Kwak 1
Inje University Ilsan Paik Hospital, Goyang-si, Korea
Corresponding Author: June Namgung ,Tel: 82-31-910-7830, Fax: 82-31-910-7829, Email: jnamgung@paik.ac.kr
Received: January 20, 2017.  Accepted: March 23, 2017.
In patients with Ebstein’s anomaly, the localization of accessory pathways may be impeded by abnormal local electrograms recorded along the atrialized right ventricle and by the presence of multiple accessory pathways. We report a case of 50-year-old man diagnosed with Ebstein’s anomaly with Wolff-Parkinson-White syndrome who presented with recurrent palpitations. He was referred to our institution for radiofrequency catheter ablation of paroxysmal supraventricular tachycardia. Transthoracic echocardiography revealed the tricuspid valve displaced into the right ventricle, consistent with Ebstein’s anomaly. The electrophysiology study showed a right posterolateral accessory pathway. The optimal ablation site was located not in the atrioventricular line of the atrialized ventricular portion, but in the original atrioventricular line.
Key Words: Ebstein’s anomaly; Wolff-Parkinson-White syndrome; accessory atrioventricular pathway
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Where Can We Find Bypass Tract in Ebstein’s Anomaly?; a Case of Successful Ablation of Bypass Tract in Ebstein’s Anomaly  2017 March;18(1)