Detection of Atrial Fibrillation Using a Ring-Type Wearable Device (CardioTracker) and Deep Learning Analysis of Photoplethysmography Signals: Prospective Observational Proof-of-Concept Study

Soonil Kwon   ^{1 *} , MD ;   Joonki Hong   ^{2 *} , MSc ;   Eue-Keun Choi   ¹ , MD, PhD ;   Byunghwan Lee   ³ , MSc ;   Changhyun Baik   ³ , MSc ;   Euijae Lee   ¹ , MD ;   Eui-Rim Jeong   ⁴ , PhD ;   Bon-Kwon Koo   ¹ , MD, PhD ;   Seil Oh   ¹ , MD, PhD, FHRS, FESC ;   Yung Yi   ² , PhD

¹ Seoul National University Hospital, Seoul, Republic of Korea

² Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea

³ Sky Labs Inc, Seongnam, Republic of Korea

⁴ Department of Information and Communication Engineering, Hanbat National University, Daejeon, Republic of Korea

*these authors contributed equally