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. 2019 May 10;21(8):1143–1144. doi: 10.1093/europace/euz132

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© 2019 The Heart Rhythm Society; the European Heart Rhythm Association, a registered branch of the European Society of Cardiology; the Asia Pacific Heart Rhythm Society; and the Latin American Heart Rhythm Society. Published by Elsevier Inc./Oxford University Press/Wiley. This article is published under the Creative Commons CC-BY license.

This article is published and distributed under the terms of the Oxford University Press, Standard Journals Publication Model (https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model)

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Examples of 12-lead ECGs of premature ventricular complexes from different right ventricular sites, as corroborated by successful focal ablation. All leads are displayed at the same amplification and sweep speed. (A) shows the 12-lead ECG pattern of common origins of right ventricular arrhythmias in patients without SHD [1–6]. The locations are detailed in a 3D reconstruction of the computed tomography using the MUSIC software that was developed at the University of Bordeaux. The reconstruction shown in (B) illustrates the septal view of the right ventricle. Indicated are the pulmonary artery, the tricuspid valve annulus, and the right ventricular apex. ECGs = electrocardiograms; PA = pulmonary artery; RVOT= right ventricular outflow tract; SHD = structural heart disease; TVA = tricuspid valve annulus.