Investigation of heart rate and blood pressure variability, baroreflex sensitivity, and approximate entropy in acute brain injury patients

Heart Rate Variability

Task Force of the European Society of Cardiology the North A Electrophysiology · Circulation · 1996 · 16.9K citations

Heart rate variability: Standards of measurement, physiological interpretation, and clinical use

Marek Malik, J. Thomas Bigger, A. John Camm et al. · European Heart Journal · 1996 · 15.3K citations · Full text

Nursing, Cardiology, Physiology +15

Physiological time-series analysis using approximate entropy and sample entropy

Joshua Richman, J. Randall Moorman · American Journal of Physiology-Heart and Circulatory Physiology · 2000 · 7.8K citations

Natural Sciences, Physiology, Biomedical Signal Processing +7

Power Spectrum Analysis of Heart Rate Fluctuation: A Quantitative Probe of Beat-to-Beat Cardiovascular Control

S. Akselrod, David Gordon, F. Andrew Ubel et al. · Science · 1981 · 5.1K citations

Life Sciences, Cardiology, Physiology +17

Power spectral analysis of heart rate and arterial pressure variabilities as a marker of sympatho-vagal interaction in man and conscious dog.

M. Pagani, Federico Lombardi, Stefano Guzzetti et al. · Circulation Research · 1986 · 4.1K citations · Full text

Medicine, Cardiology, Physiology +15