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. 2022 Apr 12;9:862659. doi: 10.3389/fcvm.2022.862659

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Copyright © 2022 He, Li, Huang, Yu, Zhao, Wu, Yao, Po and Lu.

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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Schematic diagram of left anterior oblique (A) and postero-anterior (B) views of dual atria showing the successful ablation target sites in 43 patients. Each black dot represented one ectopic focus. The yellow dot indicated His bundle. SVC, superior vena cava; IVC, inferior vena cava; RA, right atrium; CT, crista terminalis; CS, coronary sinus; TA, tricuspid annulus; IS, interatrial septum; LSPV, left superior pulmonary vein; RSPV, right superior pulmonary vein; MA, mitral annulus; LA, left atrium; LAA, left atrial appendage; AV, aortic valve.