6533b857fe1ef96bd12b4c90
RESEARCH PRODUCT
Portable two-channel PPG cardiovascular sensor device
Renars ErtsMaris OzolsJanis Spigulissubject
Optical diagnosticsCardiac cyclebusiness.industryPhotoplethysmogramMedicinesense organsBlood flowbusinessBiomedical engineeringdescription
A portable sensor device for simultaneous detection and processing of skin-remitted optical signals from any two sites of the body has been developed and tested. The photoplethysmography (PPG) principle was applied to follow the dilatation and contraction of skin blood vessels during the cardiac cycle. The newly developed two-channel approach allows to estimate the vascular blood flow resistance by analysis of time shifts between the PPG pulses detected at different body sites. Potential of the sensor device for express-assessment of human cardio-vascular condition and for body fitness tests has been demonstrated.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2003-10-20 | SPIE Proceedings |