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johnpane
Neuling
Posts: 7
Joined: Wed 26. Jul 2017, 12:15

Help debugging HRV data?

Fri 15. Jan 2021, 00:43

Hello,

I recently switched back to my Garmin strap heart rate monitor because I found the accuracy of the wrist sensor on my Forerunner 935 to be poor. With the strap I am getting much more authentic-looking heart rate statistics. However, the HRV plots all have a 8-12 minute section at the beginning that looks very different than the rest of the plot and different than other examples I have seen.

Has anyone seen anything like this or can offer a possible explanation?

Thank you,
John
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laufhannes
Core developer
Posts: 574
Joined: Mon 29. Jul 2013, 20:59

Re: Help debugging HRV data?

Fri 15. Jan 2021, 07:05

I typically see that shortly before the battery is empty.

Another possibility is bad connectivity. Do you moisten the belt a little before you start?
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johnpane
Neuling
Posts: 7
Joined: Wed 26. Jul 2017, 12:15

Re: Help debugging HRV data?

Fri 15. Jan 2021, 12:17

Thank you for the suggestions. I did replace the battery and started moistening the strap. Neither made a difference.
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