Abstract
Time resolved detection and analysis of the skin back-scattered optical signals (reflection photoplethysmography or PPG) provide rich 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 work. Simultaneous data flow from several body locations allows to study the heartbeat pulse wave propagation in real time and to evaluate the vascular resistance. Portable two- and four-channel PPG monitoring devices and special software 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.
| Original language | English |
|---|---|
| Pages (from-to) | 133-139 |
| Number of pages | 7 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 5318 |
| DOIs | |
| Publication status | Published - 2004 |
| Event | Progress in Biomedical Optics and Imaging - Adavnced Biomedical and Clinical Diagnostic Systems II - San Jose, CA, United States Duration: 25 Jan 2004 → 26 Jan 2004 |
Keywords
- Cardio-vascular assessment
- Fitness control
- Optical bio-sensing
- Photoplethysmography
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