Abstract:Background and Objectives: Due to the development of methods for analyzing signals of autonomous blood circulation control, cardiovascular system disorders can be diagnosed today in the early stages. It is promising to use specialized devices for personalized diagnosis of the cardiovascular system and monitoring its state. Research on autonomous blood circulation control systems is a complex problem both from the point of view of physiology and radiophysics. Its solution requires the development of methods and specialized devices for the analysis and registration of signals from the cardiovascular system. Therefore the object of research is the development of a photoplethysmogram sensor with a digital communication channel with a band of 0.05-30 Hz, recording the signals from the autonomous blood circulation monitoring system. Materials and Methods: To compare the level of noise and nonlinear distortions in the center of the frequency range of interest to us (at a frequency of 0.1 Hz), the power spectra of the signals were analyzed, and the coherence function was also calculated. Results: a prototype of a device for recording and analyzing a photoplethysmogram signal was developed and implemented, which makes it possible to register the signals from the circuits of autonomous blood circulation regulation. A comparative analysis of the developed device with a serial analog sensor was carried out, which demonstrated the advantages of the developed device. Conclusion: The developed broadband digital sensor can be used in wearable devices to diagnose the functional state of the cardiovascular system based on the analysis of synchronization between the circuits of autonomous regulation of blood circulation.
This work was supported by the Russian Foundation for Basic Research (projects No. 20-02-00702 and No. 20-38-90067) and within the framework of the state assignment.
Received: 22.07.2020
Document Type:
Article
UDC:
530.182:537.86
Language: Russian
Citation:
D. D. Kulminskij, A. V. Kurbako, V. V. Skazkina, M. D. Prokhorov, V. I. Ponomarenko, A. R. Kiselev, B. P. Bezruchko, A. S. Karavaev, “Development of a digital finger photoplethysmogram sensor”, Izv. Sarat. Univ. Physics, 21:1 (2021), 58–68
\Bibitem{KulKurSka21}
\by D.~D.~Kulminskij, A.~V.~Kurbako, V.~V.~Skazkina, M.~D.~Prokhorov, V.~I.~Ponomarenko, A.~R.~Kiselev, B.~P.~Bezruchko, A.~S.~Karavaev
\paper Development of a digital finger photoplethysmogram sensor
\jour Izv. Sarat. Univ. Physics
\yr 2021
\vol 21
\issue 1
\pages 58--68
\mathnet{http://mi.mathnet.ru/isuph39}
\crossref{https://doi.org/10.18500/1817-3020-2021-21-1-58-68}
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A. A. Sagaidachnyi, I. Yu. Volkov, M. O. Tsoi, A. V. Fomin, D. I. Maiskov, A. V. Antonov, I. S. Zaletov, An. V. Skripal, “Otsenka prostranstvenno-vremennoi neodnorodnosti dvukhmernykh izobrazhenii na primere fotopletizmograficheskoi vizualizatsii gemodinamiki”, Izv. Sarat. un-ta. Nov. cer. Ser. Fizika, 23:2 (2023), 128–140
I. Yu. Volkov, A. A. Sagaidachnyi, A. V. Fomin, “Fotopletizmograficheskaya vizualizatsiya gemodinamiki i dvukhmernaya oksimetriya”, Izv. Sarat. un-ta. Nov. cer. Ser. Fizika, 22:1 (2022), 15–45
I. Yu. Volkov, A. A. Sagaidachnyi, A. V. Fomin, “Photoplethysmographic Imaging of Hemodynamics and Two-Dimensional Oximetry”, Opt. Spectrosc., 130:7 (2022), 452
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