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Axel Schäfer
Researcher at University of Tübingen
Publications - 1
Citations - 509
Axel Schäfer is an academic researcher from University of Tübingen. The author has contributed to research in topics: Photoplethysmogram & Heart rate variability. The author has an hindex of 1, co-authored 1 publications receiving 409 citations.
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How accurate is pulse rate variability as an estimate of heart rate variability?: A review on studies comparing photoplethysmographic technology with an electrocardiogram
Axel Schäfer,Jan Vagedes +1 more
TL;DR: Studies investigating the accuracy of PRV as an estimate of HRV, regardless of the underlying technology, speak in favor of sufficient accuracy when subjects are at rest, although many studies suggest that short-term variability is somewhat overestimated by PRV.