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Journal Biomedical Radioelectronics №2 for 2013 г.
Article in number:
Estimation of correlation dimension of a dynamic series of RR-intervals
Keywords: correlation dimension kardiointervallogramma randomness degree cardiac arrhythmias
Authors:
N.T. Abdullaev, O.A. Dyshin, E.K. Ragimova
Abstract:
Behaviour RR-intervalogrammy is difficult enough and has character of a chaotic. In the research of heart rhythm problems widely used one of the methods of the mathematical apparatus of deterministic chaos, namely the analysis of the correlation dimension. This analysis is used to estimating the degree of randomness or complexity of the dynamic series of RR-intervals of electrocardiograms. The correlation dimension of RR-intervals of electrocardiograms patients with a normal condition of the cardiovascular system and heart disorders such as atrial fibrillation, ventricular tachycardia and ventricular fibrillation is estimated. Experimental data are taken from popular site PhysioNet.org. Revealed dependence between value of correlation dimension and break of function of the cardiovascular system. It is shown that the correlation dimension is an informative sign and can be used in clinical practice to diagnose these types of disorders of the cardiovascular system of the person.
Pages: 23-27
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