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We proposed the model of cardiovascular system which describes the sinus rhythm, autonomic regulation of heart and arterial vessels, baroreflex, arterial pressure and respiration process. The model included a self-oscillating loop of regulation of mean arterial pressure. It was shown that suggested model more accurately simulated the spectral and statistical characteristics of heart rate variability signal in comparison with the model proposed earlier by Seidel and Herzel.
Ishbulatov YM, Karavaev AS, Kiselev AR, Ponomarenko VI, Prokhorov MD. Phase and frequency locking in the model of cardiovascular system baroreflectory regulation. Progress in Biomedical Optics and Imaging - Proceedings of SPIE 2016; 9917: 99173N-1.