Published on in Vol 7, No 3 (2019): March
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/11889, first published
.
![Accuracy of Apple Watch Measurements for Heart Rate and Energy Expenditure in Patients With Cardiovascular Disease: Cross-Sectional Study Accuracy of Apple Watch Measurements for Heart Rate and Energy Expenditure in Patients With Cardiovascular Disease: Cross-Sectional Study](https://asset.jmir.pub/assets/0ea9158e754a0371ed19845533015386.png 480w,https://asset.jmir.pub/assets/0ea9158e754a0371ed19845533015386.png 960w,https://asset.jmir.pub/assets/0ea9158e754a0371ed19845533015386.png 1920w,https://asset.jmir.pub/assets/0ea9158e754a0371ed19845533015386.png 2500w)
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