NDLI: Dynamics of the states of heart rate regulation during 24-h monitoring

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Dynamics of the states of heart rate regulation during 24-h monitoring

Content Provider	Semantic Scholar
Author	Dzizinskii, Alexander Kuklin, Susan Mikhalevich, Isay M. Rozhkova, N. Yu.
Copyright Year	2005
Abstract	An attempt was made to classify the heart rate (HR) regulation states observed during 24-h monitoring of HR variability parameters in patients with essential hypertension and coronary heart disease. A continuous chain of nonoverlapping 5-min intervals was studied, and the cardiointerval mode, the spectral powers in the ranges of respiratory and first-order slow waves, their ratio, and the total spectral power were determined for each interval. Combinations of HR characteristics obtained for 5-min intervals were classified using nonparametric clustering methods. The standard clustering always revealed a limited number (8–13) of classes of HR regulation states. For every patient, the classes of states were numbered and their chronological sequence was studied with a mathematical apparatus for analyzing Markov chains. A set of state-to-state transitions significantly differing in frequency from random transitions was revealed for every patient.
Starting Page	195
Ending Page	198
Page Count	4
File Format	PDF HTM / HTML
DOI	10.1007/s10747-005-0029-9
PubMed reference number	15889824
Journal	Medline
Volume Number	31
Alternate Webpage(s)	https://page-one.springer.com/pdf/preview/10.1007/s10747-005-0029-9
Alternate Webpage(s)	https://doi.org/10.1007/s10747-005-0029-9
Journal	Human Physiology
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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