According to cardiologists, 3 lead ECG devices are gold standard for HR measurements. This information can be found in this paper written by cardiologists from the Cleveland Clinic in Ohio: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6732081/ But is the Polar H10 chest strap a 3 lead ECG device? Polar delivers no information about this. We strongly doubt about this. A …
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