Abstract
Six indices has been extracted from finger photoplethysmographic (PPG) signal to characterize the changes in PPG waveform, which are caused by the stiffness of blood vessels. The indices are measured from PPG signal at the locations of the second derivative signal peaks and normalized with PPG signal amplitude. The finger PPG signals from healthy volunteers and diabetes patients were filtered, two times differentiated, normalized in length, and averaged before the second derivative wave peaks were detected and the indices were calculated. The correlation relationships between normalized indices and age were found r = -0.81, r = -0.85, r = 0.87 for indices PPGa, PPGb, and PPGd respectively.
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© 2013 IFMBE
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Pilt, K., Meigas, K., Temitski, K., Viigimaa, M. (2013). The Analysis of Finger Photoplethysmographic Waveform in Healthy Volunteers and Diabetes Patients. In: Dekhtyar, Y., Katashev, A., Lancere, L. (eds) International Symposium on Biomedical Engineering and Medical Physics, 10-12 October, 2012, Riga, Latvia. IFMBE Proceedings, vol 38. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-34197-7_14
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DOI: https://doi.org/10.1007/978-3-642-34197-7_14
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-34196-0
Online ISBN: 978-3-642-34197-7
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