Results of analysis of an informative set of heart rate variability (HRV) indicators are presented. The analysis is made using the principal components method. We identified components that are the most sensitive to functional changes in the body, such as evaluation of autonomic balance determined by ratio LF wt /HF wt (where HF wt is a wavelet transform of the HRV spectrum intensity for the frequency range from 0.4 to 0.15 Hz, and LF wt is that for the frequency range from 0.15 to 0.04 Hz) and dysfunctions of the functional F[LF wt /HF wt ], where N is the number of dysfunctions; A max is maximum value and A is intensity in the observation interval. The efficiency of the method was tested on a group of patients with stage II-III essential hypertension during treatment with the use of hypotensive therapy and the SIMPATOKOR -01 apparatus.
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Translated from Meditsinskaya Tekhnika, Vol. 48, No. 1, Jan.–Feb., 2014, pp. 33–37.
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Egorova, D.D., Kazakov, Y.E. & Kublanov, V.S. Principal Components Method for Heart Rate Variability Analysis. Biomed Eng 48, 37–41 (2014). https://doi.org/10.1007/s10527-014-9412-7
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DOI: https://doi.org/10.1007/s10527-014-9412-7