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. 2023 Sep 18;25:e45760. doi: 10.2196/45760

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©Ju-Seung Kwun, Jang Hoon Lee, Bo Eun Park, Jong Sung Park, Hyeon Jeong Kim, Sun-Hwa Kim, Ki-Hyun Jeon, Hyoung-won Cho, Si-Hyuck Kang, Wonjae Lee, Tae-Jin Youn, In-Ho Chae, Chang-Hwan Yoon. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 18.09.2023.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on https://www.jmir.org/, as well as this copyright and license information must be included.

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Examples of (A) initiation of atrial fibrillation (arrow: a preceding premature beat), (B) sustainment, and (C) termination (arrow: appearance of the first P wave) as detected by the AT-Patch.