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When exercising, my heart rate stops recording above about 135 bpm. The watch display for heart beat goes gray and maintains whatever reading was last captured. I do have afib. Thoughts?

When exercising, my heart rate stops recording above about 135 bpm. The watch display for heart beat goes gray and maintains whatever reading was last captured. I do have afib. Thoughts?

Apple Watch Series 7, watchOS 8

Posted on Apr 26, 2022 11:32 AM

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Question marked as Best reply

Posted on Apr 26, 2022 12:19 PM

See the 'What is AFib' section in:

Heart health notifications on your Apple Watch - Apple Support


The first (and simplest) thing to try if something isn’t working right is to restart your Apple Watch and its paired iPhone. If necessary (device not responding), try a forced restart. Both methods can be found here:

How to restart your Apple Watch - Apple Support

Restart your iPhone - Apple Support


If that doesn't help, the next steps would be to unpair and pair your watch again and restore from the backup just created. This should result in no loss of data. It deletes all temp and corrupted files and re-indexes the file system.

Unpair and erase your Apple Watch - Apple Support

Set up your Apple Watch - Apple Support


1 reply
Question marked as Best reply

Apr 26, 2022 12:19 PM in response to Ego49

See the 'What is AFib' section in:

Heart health notifications on your Apple Watch - Apple Support


The first (and simplest) thing to try if something isn’t working right is to restart your Apple Watch and its paired iPhone. If necessary (device not responding), try a forced restart. Both methods can be found here:

How to restart your Apple Watch - Apple Support

Restart your iPhone - Apple Support


If that doesn't help, the next steps would be to unpair and pair your watch again and restore from the backup just created. This should result in no loss of data. It deletes all temp and corrupted files and re-indexes the file system.

Unpair and erase your Apple Watch - Apple Support

Set up your Apple Watch - Apple Support


When exercising, my heart rate stops recording above about 135 bpm. The watch display for heart beat goes gray and maintains whatever reading was last captured. I do have afib. Thoughts?

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