Optical noninvasive monitoring of skin blood pulsations
Applied Optics, Vol. 44, Issue 10, pp. 1850-1857 (2005)
http://dx.doi.org/10.1364/AO.44.001850
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Abstract
Time-resolved detection and analysis of skin backscattered optical signals (remission photoplethysmography or PPG) provide rich information on skin blood volume pulsations and can serve for reliable cardiovascular assessment. Single- and multiple-channel PPG concepts are discussed. Simultaneous data flow from several locations on the human body allows us to study heartbeat pulse-wave propagation in real time and to evaluate 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 prototype devices have been clinically studied, and their potential for monitoring heart arrhythmias, drug-efficiency tests, steady-state cardiovascular assessment, body fitness control, and express diagnostics of the arterial occlusions has been confirmed.
© 2005 Optical Society of America
OCIS Codes
(120.3890) Instrumentation, measurement, and metrology : Medical optics instrumentation
(170.4580) Medical optics and biotechnology : Optical diagnostics for medicine
Citation
Janis Spigulis, "Optical noninvasive monitoring of skin blood pulsations," Appl. Opt. 44, 1850-1857 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-10-1850
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