Empatica EmbracePlus Instructions For Use Manual page 8

The Empatica Health Monitoring Platform is not intended for use in
calculating Pulse Rate Variability in patients that are or might be
affected by cardiovascular diseases.
The Empatica Health Monitoring Platform does not include and is not
intended for automated arrhythmia analysis.
The Empatica Health Monitoring Platform provides PRV as the
root-mean-square of successive differences (RMSSDs) between
consecutive systolic peaks detected on the PPG signal, in milliseconds.
**Depending on sensor configuration
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