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Modelling of Four Compartment Model of Cardiovascular System using Simulation

N. Vinoth, J. Krishnan, R. Malathi

Abstract


Cardiovascular system is one of the main systems of our human body. There are several cardiovascular problems that have a significant effect on health expenditures in industrialized countries; moreover it reduces patient’s quality of life. In this point of view, current research focuses on detailed modeling of the cardiovascular system. Thus, this paper aims to present a model of the heart enhanced with a widespread model of the cardiovascular system. A mathematical description of this system can provide more insight. So computer-based simulation of the cardiovascular system is analyzed and simulation is done using matlab/simulink software. Instead of a hydraulic model, an inexpensive, compact and simple electrical circuit consisting of resistances, capacitances, inductances and diodes has been constructed, using parametric values that are transformed from hydraulic models. In order to obtain the more accurate model than those used in prior investigations in the literature, a baroreceptor model has been introduced. The model outputs are flow/pressure waveforms, which exhibit a similarity with physiological curves. The elastance was modeled in the form of sine wave which has a parameter H. The parameter H present in the sine wave was altered, corresponding arterial pressure is obtained. Optimal parameter H input to sin wave is found.

Keywords


Cardiovascular System, Heart, Modelling, Pressure

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References


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