Abstract
Time resolved detection and analysis of the skin backscattered optical signals (remission photoplethysmography or PPG) provide rich information on skin blood volume pulsations and can serve for reliable cardiovascular assessment. The single- and multi-channel PPG concepts are discussed in this work. Simultaneous data flow from several body locations allows one to study the heartbeat pulse wave propagation in real time and evaluate the vascular resistance. Portable single-, dual- and four-channel PPG monitoring devices with special software have been designed for real-time data acquisition and processing. The clinical studies confirmed their potential in the monitoring of heart arrhythmias, drug tests, steady-state cardiovascular assessment, body fitness control, and express diagnostics of the arterial occlusions.
| Original language | English |
|---|---|
| Article number | 59461R |
| Pages (from-to) | 1-11 |
| Number of pages | 11 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 5946 |
| DOIs | |
| Publication status | Published - 2005 |
| Event | Optical Materials and Applications - Tartu, Estonia Duration: 6 Jul 2004 → 9 Jul 2004 |
Keywords
- Arterial occlusion diagnostics
- Cardio-vascular assessment
- Drug tests
- Fitness control
- Optical biosensing
- Photoplethysmography
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