INVESTIGATION OF HEART RATE VARIABILITY BY STATISTICAL METHODS AND DETRENDED FLUCTUATION ANALYSIS
نویسندگان
چکیده
منابع مشابه
Matlab Software for Detrended Fluctuation Analysis of Heart Rate Variability
The analysis of heart rate variability (HRV) is an important tool for the assessment of the autonomic regulation of circulatory function. HRV analysis is usually performed using methods that are based on the assumption that the signal is stationary within the experiment duration, which is generally not true for long-duration signals (e.g., 24-hour Holter) or signals acquired during stress tests...
متن کاملParameter Investigation of Detrended Fluctuation Analysis for Short-term Human Heart Rate Variability
Heart rate variability (HRV) analysis is used to explore the rapid physiologic fluctuations that reflect changes of sympathetic and vagal activity. The physiologic fluctuation signal is not simply a linear index, but it also involves nonlinear contributions. Detrended fluctuation analysis (DFA) is a nonlinear analysis method and has been demonstrated to be useful to distinguish the heartbeat ti...
متن کاملMultiscale entropy and detrended fluctuation analysis of QT interval and heart rate variability during normal pregnancy
Pregnancy leads to physiological changes in various parameters of the cardiovascular system. The aim of this study was to investigate longitudinal changes in the structure and complexity of heart rate variability (HRV) and QT interval variability during the second half of normal gestation. We analysed 30-min high-resolution ECGs recorded monthly in 32 pregnant women, starting from the 20th week...
متن کاملInterpretation of heart rate variability via detrended fluctuation analysis and alphabeta filter.
Detrended fluctuation analysis (DFA), suitable for the analysis of nonstationary time series, has confirmed the existence of persistent long-range correlations in healthy heart rate variability data. In this paper, we present the incorporation of the alphabeta filter to DFA to determine patterns in the power-law behavior that can be found in these correlations. Well-known simulated scenarios an...
متن کاملSpectral Detrended Fluctuation Analysis and Its Application to Heart Rate Variability Assessment
Detrend fluctuation analysis (DFA) has become a choice method for effective analysis of a broad variety of nonstationary signals. We show in the present article that, provided the nonstationary fluctuations occur at a large enough time scale, an alternative approach can be obtained by using the Fourier series of the signal. More specifically, signal reconstructions considering Fourier series wi...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: CBU International Conference Proceedings
سال: 2019
ISSN: 1805-9961,1805-997X
DOI: 10.12955/cbup.v7.1446