Abstract
Critical portions of ventricular tachycardia circuits sometimes include the epicardial portion of ventricular myocardium and therefore successful catheter ablation of these arrhythmias depends upon effective lesion delivery to this region. Based on the thickness of the left ventricular myocardium, this usually requires ablation within the epicardial space, which is often clinically challenging either due to inaccessibility or overlying epicardial fat. This article is protected by copyright. All rights reserved.
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