Time-frequency analysis of heart rate variability during head-up tilt

Wang, Shou-Yan, Zhang, Li-Fan, Cheng, Jiu-Hua and Wang, Xing-Bang (2001) Time-frequency analysis of heart rate variability during head-up tilt Journal of the Fourth Military Medical University, 22, (4), pp. 301-305.


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AIM To study the time-frequency analysis of heart rate variability.
METHODS Four time-frequency methods were applied to heart rate variability analysis during head-up tilt, which were short-time Fourier transform, Choi-Williams distribution, cone-kernel representation and continuous wavelet transform.
RESULTS Low frequency component increased while high frequency component decreased. Each component was under dynamic modulation during supine and head-up tilt.
CONCLUSION Time-frequency methods can be applied to studying the dynamic change of heart rate variability, which could be potential in clinical monitoring.

Item Type: Article
ISSNs: 1000-2790 (print)
Related URLs:
Keywords: posture, heart rate, time-frequency analysis

Organisations: Human Sciences Group
ePrint ID: 46605
Date :
Date Event
Date Deposited: 12 Jul 2007
Last Modified: 16 Apr 2017 18:34
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/46605

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