Spontaneous oscillations in the peripheral circulation system as measured by photoplethysmography

Meir Nitzan; Hedzer de Boer; Sergei Turivnenko; Anatoly Babchenko; Dan Sapoznikov

doi:10.1117/12.197509

22 December 1994 Spontaneous oscillations in the peripheral circulation system as measured by photoplethysmography

Meir Nitzan, Hedzer de Boer, Sergei Turivnenko, Anatoly Babchenko, Dan Sapoznikov

Author Affiliations +

Proceedings Volume 2328, Biomedical Optoelectronic Devices and Systems II; (1994) https://doi.org/10.1117/12.197509
Event: International Symposium on Biomedical Optics Europe '94, 1994, Lille, France

Abstract

The variability in heart rate is related to the activity of the autonomic nervous system, which influences the heart rate either directly or via the peripheral circulation. In this study direct measurement of peripheral circulation parameters and their variability was obtained by means of photoplethysmography which provides assessment of the blood volume in the tissue and its increase during systole by measuring the light absorption in the tissue. Both blood volume and systolic blood volume increase showed oscillations in very low frequency, about 0.02 Hz and in relative high frequency, about 0.3 Hz, which is related to respiration. In comparison to the variability of the heart rate the high frequency oscillation has lower amplitude but the low frequency oscillation is much higher.

Citation Download Citation

Meir Nitzan, Hedzer de Boer, Sergei Turivnenko, Anatoly Babchenko, and Dan Sapoznikov "Spontaneous oscillations in the peripheral circulation system as measured by photoplethysmography", Proc. SPIE 2328, Biomedical Optoelectronic Devices and Systems II, (22 December 1994); https://doi.org/10.1117/12.197509

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