You can use the ECG app on your Apple Watch to monitor your heart rate and detect irregularities, in which case you should ...
You can add apps to your Apple Watch directly through the Watch's App Store, or through your iPhone's Watch app.
Open the Health app on your iPhone and navigate to the Heart section, or tap your profile icon and find the health checklist.
The latest health-tracking feature on the Apple Watch has life-changing implications. Here's how to turn it on, and how it works.
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