Heart rate dynamics before spontaneous onset of ventricular fibrillation in patients with healed myocardial infarcts

Approximate entropy as a measure of system complexity.

Steven M. Pincus · Proceedings of the National Academy of Sciences · 1991 · 5.7K citations · Full text

Engineering, Data Science, Data Mining +13

Quantification of scaling exponents and crossover phenomena in nonstationary heartbeat time series

Chung‐Kang Peng, Shlomo Havlin, H. Eugene Stanley et al. · Chaos An Interdisciplinary Journal of Nonlinear Science · 1995 · 3.8K citations

Frequency domain measures of heart period variability and mortality after myocardial infarction.

J. Thomas Bigger, Joseph L. Fleiss, R.C. Steinman et al. · Circulation · 1992 · 1.7K citations · Full text

Physiological time-series analysis: what does regularity quantify?

Steve Pincus, Ary L. Goldberger · American Journal of Physiology-Heart and Circulatory Physiology · 1994 · 1.3K citations

Physiological Time-series Analysis, Physiological Status, Correct Apen Utilization +20

Non-linear dynamics for clinicians: chaos theory, fractals, and complexity at the bedside

Ary L. Goldberger · The Lancet · 1996 · 849 citations · Full text

Deterministic Dynamical System, Chaos Theory, Non-linear Dynamics +6