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Philos Trans A Math Phys Eng Sci. 2015 Feb 13;373(2034). doi: 10.1098/rsta.2014.0097.

Joint symbolic dynamics for the assessment of cardiovascular and cardiorespiratory interactions.

Philosophical transactions. Series A, Mathematical, physical, and engineering sciences

Mathias Baumert, Michal Javorka, Muammar Kabir

Affiliations

  1. School of Electrical and Electronic Engineering, University of Adelaide, Adelaide, SA 5005, Australia [email protected].
  2. Department of Physiology, Jessenius Faculty of Medicine, Comenius University, Martin, Slovakia.
  3. Knight Cardiovascular Institute, Oregon Health and Science University, Portland, OR 97239, USA.

PMID: 25548272 PMCID: PMC4281868 DOI: 10.1098/rsta.2014.0097

Abstract

Beat-to-beat variations in heart period provide information on cardiovascular control and are closely linked to variations in arterial pressure and respiration. Joint symbolic analysis of heart period, systolic arterial pressure and respiration allows for a simple description of their shared short-term dynamics that are governed by cardiac baroreflex control and cardiorespiratory coupling. In this review, we discuss methodology and research applications. Studies suggest that analysis of joint symbolic dynamics provides a powerful tool for identifying physiological and pathophysiological changes in cardiovascular and cardiorespiratory control.

Keywords: baroreflex; blood pressure; heart rate; respiration; respiratory sinus arrhythmia; symbolic dynamics

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