Heart rate alerts

Is it possible that during exercise my Apple Watch could alarm if my heart rate rises too high?

iPhone 12 Pro Max, iOS 16

Posted on Jul 29, 2023 9:45 AM

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Question marked as Top-ranking reply

Posted on Jul 29, 2023 10:39 AM

The current software only supports alarm for high heart rate while the wearer seems to be inactive. Exercise is expected to increase the rate and would not trigger an alert.

4 replies

Jul 29, 2023 10:01 AM in response to Lauren1962___

If heart rate alerts on your Apple Watch are configured correctly (start with the default settings), AND you are wearing it with correct fit on your wrist it is unlikely you will get false alerts for heart rate.


However, be aware that in vigorous exercise with arm movements the watch might generate incorrect (usually high) counts of heart rate if the watch band is too loose, or the watch is able to move too much on your wrist.

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Heart rate alerts

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