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Cardiology Research and Practice
Volume 2011, Article ID 864964, 3 pages
http://dx.doi.org/10.4061/2011/864964
Case Report

Electrocardiographic and Electrophysiologic Characteristics of Ventricular Extrasystoles Arising from the Aortomitral Continuity

Laboratory of Invasive Cardiac Electrophysiology, Evangelismos General Hospital of Athens, 10676 Athens, Greece

Received 9 February 2011; Accepted 23 March 2011

Academic Editor: Brian Olshansky

Copyright © 2011 Konstantinos P. Letsas et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Left ventricular outflow tract arrhythmias originating from the aortomitral continuity, the left coronary cusp, the superior basal septum, and the epicardial left ventricular summit display common electrocardiographic and electrophysiological features, probably due to the close proximity of those locations. Catheter ablation of these arrhythmias can be challenging. The case of a 68-year-old male with frequent premature ventricular extrasystoles arising from the aortomitral continuity of the basal left ventricle is described. The electrocardiographic and electrophysiologic characteristics of this arrhythmia are discussed.