Pacemap of delta wave for successful ablation of traumatized atrioventricular accessory pathway

Abstract

547-5271/$ -see front matter © 2012 Heart Rhythm Society. All rights reserved oss of AP conduction, but it appears that the vast majority of raumatized tissues recover (resumption of conduction) over a eriod ranging from several minutes to months. The ability to elocate the AP in order to complete the ablation procedure is onfounded by the time it takes to recover conduction. If onduction does not resume after mechanical trauma, radiofreuency (RF) ablation at the presumed AP location site may be ssociated with a poor ablation outcome or may lead to iscontinuation of the procedure. Rarely, persisting AP potenials may be used as a guide to ablation. We report a patient who underwent successful ablation of a right lateral AP by using pacemapping of the delta wave from the tricuspid annulus (TA) after mechanical trauma had eliminated conduction.