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Int J Cardiol. 2002 Jul;84(1):1-14.

Functional assessment of heart rate variability: physiological basis and practical applications.

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Research Group Functional Rehabilitation, Institute of Biomedical Engineering and Physics, University of Vienna, General Hospital, AKH 4L, Waehringer Guertel 18-20, A 1090, Vienna, Austria.


The autonomic nervous system dynamically controls the response of the body to a range of external and internal stimuli, providing physiological stability in the individual. With the progress of information technology, it is now possible to explore the functioning of this system reliably and non-invasively using comprehensive and functional analysis of heart rate variability. This method is already an established tool in cardiology research, and is increasingly being used for a range of clinical applications. This review describes the theoretical basis and practical applications for this emerging technique.

[Indexed for MEDLINE]

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