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28 October 2020 Photoplethysmographic waves and their detailed pulse interval distribution analysis on Poincare plots before and after the sauna exposures
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Proceedings Volume 11585, Biophotonics—Riga 2020; 115850F (2020) https://doi.org/10.1117/12.2582204
Event: Third International Conference Biophotonics Riga 2020, 2020, Riga, Latvia
Abstract
Photoplethysmography (PPG) has proved to be valuable signal carrier information from many biomedical sources. Especially, sauna studies have shown that heart pulse inter beat intervals, heart rate variability (HRV), shape and morphology of PPG can provide much interesting information about arterial elasticity during and after a sauna exposure. These parameters are pulse amplitude, pulse width, and pulse to pulse beat intervals changes caused by the sauna exposure. In our preliminary study there is searched on heart pulse variability information and other hemodynamic parameters. However, there is not yet standard detailed calculation algorithms for these parameters. Merged Poincaré plots, or so called return maps, could give valuable information which is here at the first time noticed.
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Matti Huotari, Kari Määttä, and Juha Röning "Photoplethysmographic waves and their detailed pulse interval distribution analysis on Poincare plots before and after the sauna exposures", Proc. SPIE 11585, Biophotonics—Riga 2020, 115850F (28 October 2020); https://doi.org/10.1117/12.2582204
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