Special Section Technical Briefs

Continuous Balance Assessment of Autonomic Nervous System Using Time-Varying Analysis of Heart Rate Variability1

[+] Author and Article Information
Ajay K. Verma, Reza Fazel-Rezai

Department of Electrical Engineering,
University of North Dakota,
Grand Forks, ND 58202

Sergio D. Cabrera

Department of Electrical and Computer Engineering,
University of Texas at El Paso,
El Paso, TX 79902

DOI: 10.1115/1.4033144Manuscript received March 1, 2016; final manuscript received March 16, 2016; published online May 12, 2016. Editor: William Durfee.

J. Med. Devices 10(2), 020933 (May 12, 2016) (2 pages) Paper No: MED-16-1065; doi: 10.1115/1.4033144 History: Received March 01, 2016; Revised March 16, 2016

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Grahic Jump Location
Fig. 1

Block diagram to compute time-varying LF/HF ratio

Grahic Jump Location
Fig. 2

Illustrations of results of Fig. 1 steps. HRV signal at 2 Hz (top left), frequency response of BP filter for LF and HF HRV component (top right), time-varying LF and HF HRV component (bottom left), and time-varying LF/HF ratio (bottom right) a marker of ANS balance.



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