![Accuracy of the Apple Watch 4 to Measure Heart Rate in Patients with Atrial Fibrillation - IEEE Journal of Translational Engineering in Health and Medicine (JTEHM) Accuracy of the Apple Watch 4 to Measure Heart Rate in Patients with Atrial Fibrillation - IEEE Journal of Translational Engineering in Health and Medicine (JTEHM)](https://www.embs.org/wp-content/uploads/2020/02/2020-02-05-18_09_08-Graphical_Abstract_AW4_HR_IEEE_102619.pptx-Read-Only-WPS-Office.png)
Accuracy of the Apple Watch 4 to Measure Heart Rate in Patients with Atrial Fibrillation - IEEE Journal of Translational Engineering in Health and Medicine (JTEHM)
How accurate is the heart rate monitor on the Apple Watch compared to other devices on the market? - Quora
![Duke study: Activity, but not skin tone, can impact wearables' PPG heart rate accuracy | MobiHealthNews Duke study: Activity, but not skin tone, can impact wearables' PPG heart rate accuracy | MobiHealthNews](https://www.mobihealthnews.com/sites/default/files/apple%20watch_0_2.png)