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Proceedings Paper

Multi-spectral photoplethysmography technique for parallel monitoring of pulse shapes at different tissue depths
Author(s): Lasma Asare; Edgars Kviesis-Kipge; Uldis Rubins; Oskars Rubenis; Janis Spigulis
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Paper Abstract

A photoplethysmography (PPG) signal can provide very useful information about a subject's hemodynamic status in a hospital or home environment. A newly developed portable multi-spectral photoplethysmography device has been used for studies of 11 healthy subjects. Multi-spectral photoplethysmography (MS-PPG) biosensor intended for analysis of peripheral blood volume pulsations at different vascular depths has been designed and experimentally tested. Multispectral monitoring was performed by means of a three-wavelengths (405 nm, 660 nm and 780 nm) laser diode and a single photodiode with multi-channel signal output processing. The proposed methodology and potential clinical applications are discussed.

Paper Details

Date Published: 15 June 2011
PDF: 6 pages
Proc. SPIE 8087, Clinical and Biomedical Spectroscopy and Imaging II, 80872E (15 June 2011); doi: 10.1117/12.889954
Show Author Affiliations
Lasma Asare, Univ. of Latvia (Latvia)
Edgars Kviesis-Kipge, Univ. of Latvia (Latvia)
Uldis Rubins, Univ. of Latvia (Latvia)
Oskars Rubenis, Univ. of Latvia (Latvia)
Janis Spigulis, Univ. of Latvia (Latvia)


Published in SPIE Proceedings Vol. 8087:
Clinical and Biomedical Spectroscopy and Imaging II
Nirmala Ramanujam; Jürgen Popp, Editor(s)

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