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Title: Comparing low frequency heart rate variability and preejection period: two sides of a different coin
Author(s): A.D. Goedhart, G. Willemsen, J.H. Houtveen, D.I. Boomsma and E.J. De Geus
Journal: Psychophysiology
Year: 2008
Volume: 45
Issue: 6
Pages: 1086--1090
Publisher address: Department of Biological Psychology, VU University Amsterdam, Amsterdam, The Netherlands
File URL: vuams-pubs/Goedhart_2008.pdf
Keywords: Adolescent, Adult, Electrocardiography, Female, Heart, Heart Rate, heart rate variability, HEART-RATE, HEART-RATE-VARIABILITY, Humans, innervation, Male, Middle Aged, Netherlands, physiology, psychology, RATE-VARIABILITY, RATIO, Research, Sympathetic Nervous System, Universities, VARIABILITIES, VARIABILITY, Young Adult
Abstract: It has been hypothesized that the ratio of heart rate variability in the low- (LF) and high- (HF) frequency bands may capture variation in cardiac sympathetic control. Here we tested the temporal stability of the LF/HF ratio in 24-h ambulatory recordings and compared this ratio to the preejection period (PEP), an established measure of cardiac sympathetic control. Good temporal stability was found across a period of 3.3 years (.46<r<.78), but the LF/HF ratio did not show the expected negative correlation to PEP, either between or within subjects. We conclude that the evidence to support the LF/HF ratio as a potential marker of cardiac sympathetic control in epidemiology-scaled research is currently insufficient

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