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. 2022 Mar 2;4(5):301–305. doi: 10.1016/j.jaccas.2022.01.015

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© 2022 The Authors

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Pre- and Post-PLSVC Isolation in Case 1

(A) Fluoroscopic view of a spiral diagnostic catheter positioned in the distal PLSVC with LAO 40°. (B) Intracardiac electrogram showing PLSVC potential before application. (C) Intracardiac electrogram showing the elimination of local PLSVC signals by an application in Case 1. (D) Intracardiac electrogram showing eliminated PLSVC potential after application. (E, F) Comparison of the left atrial voltage maps before (left) and after (right) ablation with the CARTO 3D mapping system with posterior-anterior oblique. Abbreviations as in Figure 1.