Nonlinear dynamics modeling of mechanical periodicity of end diastolic volume of left ventricle

The cardiovascular system with a lumped parameter model is treated, in which the Starling model is used to simulate left ventricle and the four-element Burattini and Gnudi model is used in the description of arterial system. Moreover, the feedback action of arterial pressure on cardiac cycle is take...

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Bibliographic Details
Published in:Applied mathematics and mechanics 2001-10, Vol.22 (10), p.1183-1191
Main Authors: Xu, Shi-Xiong, Mao, Xiao-Chun
Format: Article
Language:English
Subjects:
Dynamics
Feedback
Nonlinear equations
Simulation
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Summary:The cardiovascular system with a lumped parameter model is treated, in which the Starling model is used to simulate left ventricle and the four-element Burattini and Gnudi model is used in the description of arterial system. Moreover, the feedback action of arterial pressure on cardiac cycle is taken into account. The phenomenon of mechanical periodicity (MP) of end diastolic volume (EDV) of left ventricle is successfully simulated by solving a series of one-dimensional discrete nonlinear dynamical equations. The effects of cardiovascular parameters on MP is also discussed.
ISSN:0253-4827
1573-2754
DOI:10.1007/BF02436454