Why the study?
Do PPG-based wearable heart rate monitors accurately estimate heart rate compared to reference ECG in healthy volunteers during exercise?
Do PPG-based wearable heart rate monitors accurately estimate heart rate compared to reference ECG in healthy volunteers during exercise?
Commercially available PPG-based wearable heart rate monitors demonstrate moderate reliability compared to ECG, with performance depending on activity type, sensor type, and device placement.
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Wearables show only moderate exercise HR accuracy; leaves open need for validation before clinical or research reliance.
Parák et al. (2014) studied this question.
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