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KMID : 0861220140160020049
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Journal of the Korean Society Clinical Neurophysiology
2014 Volume.16 No. 2 p.49 ~ p.54
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Assessing Methods of Heart Rate Variability
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Park Ki-Jong
Jeong Hee-Jeong
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Abstract
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Heart rate variability is significantly associated with cardiovascular complications in various neurological disorders with cardiac impairment. Measures of spontaneous heart rate variability might be different from provocating tests of heart rate variability such as deep breathing and Valsava maneuver. Methods for analysis are divided into time domain methods and frequency domain methods. There are standard deviation of NN interval, standard deviation of average NN interval, root mean square of the successive differences, NN50, and pNN50 in time domain methods. Frequency domain bands can be divided into very low, low, and high frequency. Each variables are influenced by sympathetic and/or parasympathetic activity.
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KEYWORD
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Heart rate, Autonomic nervous system, Cardiovascular abnormalities
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