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[心肌心房和心室收缩性的建模。I. 单次收缩建模]

[Modeling atrial and ventricular contractility of the heart muscle. I. Modeling single contractions].

作者信息

Shumakov V I, Shteĭngol'd E Sh, Izakov V Ia, Itkin G P, Kramarenko V N

出版信息

Biofizika. 1978 Mar-Apr;23(2):318-25.

PMID:647039
Abstract

A system of differential equations describing myocardium contractions in isometric and isotonic regimes has been obtained. On the basis of these equations functioning of myocardium was modelled on an electronic computer. An effect has been revealed of the coefficients of rheological equations and activation function on isometric and isotonic contraction of the force/rate ratio. A good agreement between the results of modelling and the experimental data has been observed.

摘要

已经得到了一个描述等长和等张状态下心肌收缩的微分方程组。基于这些方程,在电子计算机上对心肌功能进行了建模。揭示了流变方程系数和激活函数对等长和等张收缩力/速率比的影响。观察到建模结果与实验数据之间有良好的一致性。

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1
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Biofizika. 1978 Mar-Apr;23(2):318-25.
2
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Fiziol Zh SSSR Im I M Sechenova. 1977 May;63(5):697-706.
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[Modeling the effect of rhythm on the strength of myocardial contraction].[模拟节律对心肌收缩强度的影响]
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Myocardial contraction is 5-fold more economical in ventricular than in atrial human tissue.在人体组织中,心室的心肌收缩比心房的心肌收缩效率高5倍。
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Differing susceptibilities to cold preservation of rat atria and ventricles.大鼠心房和心室对冷保存的敏感性差异。
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