Optical multichannel sensing of skin blood pulsations

Janis Spigulis; Renars Erts; Indulis Kukulis; Maris Ozols; Karlis Prieditis

doi:10.1117/12.566082

1 September 2004 Optical multichannel sensing of skin blood pulsations

Janis Spigulis, Renars Erts, Indulis Kukulis, Maris Ozols, Karlis Prieditis

Proceedings Volume 5459, Optical Sensing; (2004) https://doi.org/10.1117/12.566082
Event: Photonics Europe, 2004, Strasbourg, France

Abstract

Time resolved detection and analysis of the skin back-scattered optical signals (reflection photoplethysmography or PPG) provide information on skin blood volume pulsations and can serve for cardiovascular assessment. The multi-channel PPG concept has been developed and clinically verified in this study. Portable two- and four-channel PPG monitoring devices have been designed for real-time data acquisition and processing. The multi-channel devices were successfully applied for cardiovascular fitness tests and for early detection of arterial occlusions in extremities. The optically measured heartbeat pulse wave propagation made possible to estimate relative arterial resistances for numerous patients and healthy volunteers.

Citation Download Citation

Janis Spigulis, Renars Erts, Indulis Kukulis, Maris Ozols, and Karlis Prieditis "Optical multichannel sensing of skin blood pulsations", Proc. SPIE 5459, Optical Sensing, (1 September 2004); https://doi.org/10.1117/12.566082

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