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. 2022 Oct 6;9:1012731. doi: 10.3389/fcvm.2022.1012731

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Copyright © 2022 Jingquan, Deyong, Huimin, Hua, Xuebin, Chenyang, Yan, Xuebin, Min, Zulu, Yumei, Jinlin, Wei, Xiaochun, Daxin, Yun, Changsheng, Zei and Di Biase.

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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Intracardiac (ICE)-guided zero X-ray transseptal puncture. (A) Guidewire and sheath seen in SVC. (B) “Tenting sign” in the fossa ovalis by puncture needle sheath. (C) Saline injection microbubbles into the left atrium after the needle is inserted. (D) Needle tip into the left atrium. SVC, superior vena cava; LA, left atrium.