Abstract
We read with interest the article by Liu et al. 1 published recently in EP-Europace . In this article, the authors showed that discrete potentials (DPs) appeared to be a prerequisite for idiopathic outflow tract premature ventricular contractions (PVCs) and ventricular tachyarrhythmias (VTs), with DPs-guided mapping predictive of ablation success. A comparison of DPs with more well-established predictors of substrate mapping and ablation success, including local activation time, pace mapping, and unipolar mapping, is needed. However, the additional information …
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