Electrophysiological Study in Ebstein’s Anomaly With no Evidence of Accessory Pathway

Introduction

Ebstein’s anomaly (EA) is characterized by low implantation of the tricuspid valve, and corresponds to less than 1% of all congenital heart defects^–. It is often associated with other malformations, such as ventricular septal defect, and Wolff-Parkinson-White syndrome often accompanies.

Its clinical manifestation depends on the severity of the anatomical changes, and the indications for surgery have been well established^,.

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