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. 2022 Aug 11;6(8):e36443. doi: 10.2196/36443

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©John Stacy, Rachel Kim, Christopher Barrett, Balaviknesh Sekar, Steven Simon, Farnoush Banaei-Kashani, Michael A Rosenberg. Originally published in JMIR Formative Research (https://formative.jmir.org), 11.08.2022.

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 JMIR Formative Research, is properly cited. The complete bibliographic information, a link to the original publication on https://formative.jmir.org, as well as this copyright and license information must be included.

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(A) Screenshot of the data input page of QRhythm. (B) Screenshot of the data output page of QRhythm. AAM: antiarrhythmic medication; AF: atrial fibrillation; AFA: atrial fibrillation ablation; EF: ejection fraction; HTN: hypertension; LA: left atrial; HR: heart rate; EXC: external cardioversion; RAC: rate control.