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1. Diurnal heart rate variability in healthy subjects: effects of aging and sex difference

Author

Yamasuki, Yoshimitsu, Kodama, Mineo, Matsuhisa, Munehide, Kishimoto, Michihiko, Ozaki, Hitoshi, Tani, Akihiro, Uea, Noboyuki, Ishida, Yoshio, and Kamada, Takenobu

Subjects
Heart beat -- Physiological aspects, Aging -- Physiological aspects, Sex differences -- Physiological aspects, Biological sciences
Abstract

The effects of aging and gender on diurnal heart rate variability was investigated as measurements of R-R intervals during a 24-hr. period using a Holter electrocardiogram. Male subjects showed higher values for the low-frequency (LF) component of cardiac beta-adrenergic function than female subjects. There were no differences in the peak of parasympathetic function between the two sexes. There was a significant relationship between LF and age, suggesting that heart beat is affected by aging and gender.

Published
1996

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