Key result
Portable single- and multiple-channel photoplethysmography (PPG) monitoring devices demonstrated potential for cardiovascular assessment, arrhythmia monitoring, and arterial occlusion diagnostics.
Portable multi-channel PPG devices show potential for noninvasive real-time cardiovascular monitoring and assessment.
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.
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Jānis Spīgulis (2005) studied Cardiovascular assessment. Photoplethysmography (PPG) monitoring devices was evaluated. Portable single- and multiple-channel photoplethysmography (PPG) monitoring devices demonstrated potential for cardiovascular assessment, arrhythmia monitoring, and arterial occlusion diagnostics.
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