Journal ArticleDOI
The blood supply of various skin areas as estimated by the photoelectric plethysmograph
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This article is published in American Journal of Physiology.The article was published on 1938-10-31. It has received 423 citations till now. The article focuses on the topics: Photoelectric plethysmography & Plethysmograph.read more
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Journal ArticleDOI
The validity and inter-device variability of the Apple Watch™ for measuring maximal heart rate.
TL;DR: The Apple Watch™ has good to very good criterion validity for measuring HRmax, with no substantial under- or over-estimation and moderate and small prediction errors for the left and right watches.
Journal ArticleDOI
Advances in sclerotherapy.
TL;DR: Dermatologists with an interest in phlebology should strive to perceive veins as a complete system, with the dermal telangiectatic component not as a separate skin disorder but as a manifestation of venous hypertension.
Journal ArticleDOI
Validation of a Photoplethysmographic Heart Rate Monitor: Polar OH1.
TL;DR: OH1 represents a valid tool to monitor instantaneous HR and training load, especially for endurance sports, and TRIMPs from the OH1 device were inferior to criterion's (except walking and soccer), within a 3% range from reference.
Journal ArticleDOI
Noninvasive assessment of local nicotinate pharmacodynamics by photoplethysmography.
TL;DR: The local pharmacodynamics of a topical vasodilator (methyl nicotinate) has been followed noninvasively using photopulse plethysmography to suggest that the pharmacodynamic measurements of this study may prove useful in elucidating aspects of dermal pharmacokinetics.
Journal ArticleDOI
Robustness, specificity, and reliability of an in-ear pulse oximetric sensor in surgical patients.
Boudewijn Venema,Hartmut Gehring,Ina Michelsen,Nikolai Blanik,Vladimir Blazek,Steffen Leonhardt +5 more
TL;DR: The feasibility and robustness of in-ear SO2
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