Scaling and universality in heart rate variability distributions

P. Ch Ivanov, M. G. Rosenblum, C. K. Peng, J. E. Mietus, S. Havlin, H. E. Stanley, A. L. Goldberger

Research output: Contribution to journalArticlepeer-review

79 Scopus citations


We find that a universal homogeneous scaling form describes the distributions of cardiac variations for a group of healthy subjects, which is stable over a wide range of time scales. However, a similar scaling function does not exist for a group with a common cardiopulmonary instability associated with sleep apnea. Subtle differences in the distributions for the day- and night-phase dynamics for healthy subjects are detected.

Original languageEnglish
Pages (from-to)587-593
Number of pages7
JournalPhysica A: Statistical Mechanics and its Applications
Issue number1-4
StatePublished - 2 Jan 1998


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