Loss of complex physiological variability in heart rate dynamics is associated with pathological conditions, including aging and impending sudden death.
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Limits to the usefulness of homeostasis as a guiding physiological principle are revealed by new mechanisms derived from study of nonlinear systems that generate a type of variability called chaos. Loss of complex physiological variability may occur in certain pathological conditions including heart rate dynamics before sudden death and with aging.
Goldberger Al (Mon,) reported a other. Loss of complex physiological variability in heart rate dynamics is associated with pathological conditions, including aging and impending sudden death.