Abstract
Photoplethysmography is an interesting biomedical technique and combined with pulse wave analysis it becomes an informationrich and non-invasive diagnosis method. A new constructed biomedical device can record pulse waveforms by a photonic sensor from finger and toe, and then we mathematically decompose these pulse waveforms into their four primaries. Based on these divided pulse waves is possible to estimate vessel elasticity which is called arterial stiffness. Both aortic and arterial stiffness (AS1 and AS2) in addition to the percussion to tidal index are calculated from pulse wave decomposition products which comprend four primary wave forms. These indices can be a sensitive biomarker as a cardiovascular risk factor.
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