Scaling and universality in heart rate variability distributions

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Population

Healthy subjects and a group with cardiopulmonary instability associated with sleep apnea

Authors

Discussion

HRV scaling loss may flag sleep apnea; hypothesis-generating and requires validation before any diagnostic use.

Population

Healthy subjects and a group with cardiopulmonary instability associated with sleep apnea

Outcome

Distribution of cardiac variations (heart rate variability)surrogate

Heart rate variability distributions exhibit a universal scaling form in healthy individuals that is lost in patients with sleep apnea.

Ivanov et al. (1998) studied this question.

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