ASYMMETRIC DETRENDED FLUCTUATION ANALYSIS REVEALS ASYMMETRY IN THE RR INTERVALS TIME SERIES

被引：5

作者：

Mieszkowski, Dawid ^{[1
]}

Kosmider, Marcin ^{[1
]}

Krauze, Tomasz ^{[2
]}

Guzik, Przemyslaw ^{[2
]}

Piskorski, Jaroslaw ^{[1
]}

机构：

[1] Univ Zielona Gora, Inst Phys, Zielona Gora, Poland

[2] Univ Med Sci, Dept Cardiol Intens Therapy, Poznan, Poland

来源：

JOURNAL OF APPLIED MATHEMATICS AND COMPUTATIONAL MECHANICS | 2016年 / 15卷 / 01期

关键词：

scaling exponents; random walk; detrended fluctuation analysis; heart rate variability; heart rate asymmetry;

D O I：

10.17512/jamcm.2016.1.10

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

In this paper we apply the Asymmetric Detrended Fluctuation Analysis to the RR intervals time series. The mathematical background of the ADFA method is discussed in the context of heart rate variability and heart rate asymmetry. We calculate the alpha(+) and alpha(-) ADFA scaling exponents for 100 RR intervals time series recorded in a group of healthy volunteers (20-40 years of age) with the use of the local ADFA. It is found that on average alpha(+) < alpha(-), and that locally alpha(-) dominates most of the time over alpha(+)-both results are highly statistically significant.

引用

页码：99 / 106

页数：8

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