SPECTRAL ANALYSIS OF HEART RATE VARIABILITY BASED ON THE HILBERT-HUANG METHOD

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Ашық рұқсат Ашық рұқсат
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Рұқсат жабық Тек жазылушылар үшін

Аннотация

Analysis of heart rate variability (HRV) is widely used for noninvasive assessment of the state of its regulation systems. The aim of the research was to evaluate the capabilities of the Hilbert-Huang method for calculating spectral parameters of HRV in comparison with the commonly used Fourier analysis. Fourier analysis allows to estimate averaged spectral amplitudes and power of HRV oscillations in fixed frequency intervals, which are associated with the activity of sympathetic, parasympathetic and humoral regulation systems. Using the Hilbert-Huang method, we revealed 4 spectral components, described by Gauss functions, in which HRV oscillations are concentrated, and showed the absence of fixed boundaries between them. The obtained energy quantitative characteristics of the spectral components of heart rhythm oscillations can serve as the basis for diagnostic methods of its regulation, supplementing the commonly used ones.

Авторлар туралы

A. Grinevich

Institute of Cell Biophysics of Russian Academy of Sciences

Хат алмасуға жауапты Автор.
Email: grin_aa@mail.ru
Russian Federation, Pushchino

N. Chemeris

Institute of Cell Biophysics of Russian Academy of Sciences

Хат алмасуға жауапты Автор.
Email: nikolai.chemeris@mail.ru
Russian Federation, Pushchino

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© А.А. Гриневич, Н.К. Чемерис, 2023