31-07-2023
07:11 AM
- last edited
30-10-2023
03:00 PM
by
Matthew C
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I bought Galaxy watch 4 few weeks a go to check ECG. I’ll also used it during mountain biking and compared it to Polar strap H10 monitor. Results are bad. Yesterday I did a 1 and half hoir ride. Real avarage heart rate was 111 bpm and Samsung showed 141 bpm!
That is not even close. Often the difference is about 20 bpm …avarage during 2-3 hour riding. It can be 100% wrong in shorter time periods. Why!
Any ideas?
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31-07-2023 11:38 AM
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31-07-2023 07:37 AM
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31-07-2023 08:07 AM
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I think I have a continues hearth rate on on my watch. So thats not it. I did shave hair of my wrist, but it might be a bad fit still. It can be moving during riding…but it cannot be thighter on my wrist.
Also as I do my ECG test it shows haert rate like 40 bpm and when a check current heart rate on my watch…same watch that measured 40…it shows 70?
Have to check the 10minute thing …
31-07-2023 10:45 AM
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31-07-2023 11:02 AM
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Very fast experiment. Sitting and Watch rifgt way on wrist 72 bpm and backwards 62. Same time hearth rate with polar strap 48.
No movement, watch up on wrist…
I think its even worse when exercising because heart rate is faster and error is even bigger.
31-07-2023 11:21 AM
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31-07-2023 11:29 AM
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When I measure ECG, I need to be very careful to get a good result. If I push a little too hard on the watch, curve is very abnormal…sometimes it takes three or four attemps to get a good reading.
Very strange is that ECG might give a hearth rate like 42 and watch a current hearth rate 70 something…
31-07-2023 11:38 AM
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31-07-2023 11:42 AM
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Blood pressure is quite accurate. I do not know how to calibrate ECG.
31-07-2023 12:03 PM
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Gonna do some research, and see if I find an answer to the problem, and reply as soon as I find something. Thanks for bringing up the discussions!
