Analysis of Electric Cardiac Signals – Methods and Application Results

A. Vainoras, L. Gargasas, R. Jurkonienė, V. Jurkonis, G. Jaruševičius, K. Berškienė, Z. Navickas


The aim was to investigate the information dimension as measure of complexity of cardiovascular system. For this purpose the corresponding algorithms and programs for calculation of information dimension have been developed. When the integral evaluation of human physiologic state is performed, it is very important to evaluate the changes of main different functional systems. We analyzed parameters that characterize these systems and their functional relations by counting information dimension and searching for differences in various investigated groups of persons - sportsmen, healthy persons but not sportsmen, patients with ischemic heart disease. The study showed that means of information dimensions in studied groups with different physical activity were significantly different. The means of information dimensions do not differ between various age groups as well as between men and women groups. Ill. 2, bibl. 12 (in English; summaries in English, Russian and Lithuanian).

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