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. 2021 Sep 23;8:695531. doi: 10.3389/fcvm.2021.695531

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Copyright © 2021 Wang, Zhu, Li, Yao, Liu and Fan.

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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Comparison between different left bundle branch area pacing (LBBAP) stages and right ventricular pacing (RVP). (A,B) Procedure time and fluoroscopy time gradually decreased among three LBBAP stages but still longer than that of RVP. (C,D,F) Pacing parameters, including, capture threshold, R wave amplitude, and impedance, were comparable among three LBBAP stages and RVP. (E) LBBAP produced a narrower pQRSd than RVP; *P < 0.05 compared with RVP.