Published on in Vol 6, No 9 (2022): September
![Comparison Between QT and Corrected QT Interval Assessment by an Apple Watch With the AccurBeat Platform and by a 12‑Lead Electrocardiogram With Manual Annotation: Prospective Observational Study Comparison Between QT and Corrected QT Interval Assessment by an Apple Watch With the AccurBeat Platform and by a 12‑Lead Electrocardiogram With Manual Annotation: Prospective Observational Study](https://asset.jmir.pub/assets/ed7d2f1e4cb401f52aa0e1762f1caba8.png 480w,https://asset.jmir.pub/assets/ed7d2f1e4cb401f52aa0e1762f1caba8.png 960w,https://asset.jmir.pub/assets/ed7d2f1e4cb401f52aa0e1762f1caba8.png 1920w,https://asset.jmir.pub/assets/ed7d2f1e4cb401f52aa0e1762f1caba8.png 2500w)
1 Healthcare Innovation and Technology Lab, New York, NY, United States
2 Division of Cardiovascular Medicine, State University of New York Downstate Medical Center, New York, NY, United States
3 Department of Epidemiology and Biostatistics, State University of New York Downstate Health Sciences University, New York, NY, United States
4 Department of Cardiology, Ipswich Hospital, Ipswich, United Kingdom
5 Columbia Business School, Columbia University, New York, NY, United States
6 Indian Institute of Technology Delhi, Delhi, India