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. 2021 Oct 8;8:727546. doi: 10.3389/fcvm.2021.727546

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Copyright © 2021 Jiang, Liu, Tian, Zhao, Liu, Tian, Huang, Tian, Zheng and Yang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Patient flow and randomization. EVA, earliest ventricular activating; PV, pulmonary valve; PVC, premature ventricular contraction; RVOT, right ventricular outflow tract; VA, ventricular arrhythmia.