Effects of RR segment duration on HRV spectrum estimation

Physiological Measurement
Dilbag SinghKishore K Deepak

Abstract

Although patterns of heart rate variability (HRV) hold considerable promise for clarifying issues in clinical applications, the inappropriate quantification and interpretation of these patterns may obscure critical issues or relationships and may impede rather than foster the development of clinical applications. The duration of the RR interval series is not a matter of convenience but a fine balance between two important issues: acceptable variance and stationarity of the time series on one hand, and acceptable resolution of the spectral estimate and reduced spectral leakage on the other. Further, in the standard short-term HRV analysis, it has been observed that the previous studies in HRV spectral analysis use a wide range of RR interval segment duration for spectral estimation by Welch's algorithm. The standardization of RR interval segment duration is also important for comparisons among studies and is essential for within-study experimental contrasts. In the present study, a comparative analysis for RR interval segment durations has been made to propose an optimal RR interval segment duration. Firstly a simulated signal was analyzed with Hann window and zero padding for the segment lengths of 1024, 512, 256 and 128 sample...Continue Reading

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Citations

Apr 13, 2011·Biomedical Engineering Online·Jesper KristiansenAndreas Holtermann
Jun 15, 2006·Journal of Medical Engineering & Technology·D SinghK K Deepak
Jan 12, 2010·Journal of Medical Engineering & Technology·R K SunkariaA M Singhal
Jul 15, 2015·Journal of Medical Engineering & Technology·Monappa Gundappa PoddarYash Paul Sharma
Apr 5, 2005·Journal of Medical Engineering & Technology·D SinghK K Deepak
Aug 2, 2015·International Archives of Occupational and Environmental Health·Hsiu-Hao LeeYue-Liang Guo
Nov 13, 2015·Annals of Biomedical Engineering·W K LeeK S Park
Mar 11, 2008·Environmental Research·Alon PeretzJeffrey H Sullivan
Mar 10, 2011·PloS One·Juan F Ramirez-VillegasWilfredo Agredo-Rodriguez
Jul 28, 2017·PloS One·Marcio Clementino de Souza SantosGivago da Silva Souza
May 9, 2009·Scandinavian Journal of Clinical and Laboratory Investigation·Jesper KristiansenAnne Helene Garde

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