Numerical Simulation of the Influence of Gravity and Posture on Cardiac Performance

  title={Numerical Simulation of the Influence of Gravity and Posture on Cardiac Performance},
  author={Kristy Peterson and Edwin T. Ozawa and George M. Pantalos and M. K. Sharp},
  journal={Annals of Biomedical Engineering},
A numerical model of the cardiovascular system was used to quantify the influences on cardiac function of intrathoracic pressure and intravascular and intraventricular hydrostatic pressure, which are fundamental biomechanical stimuli for orthostatic response. The model included a detailed arterial circulation with lumped parameter models of the atria, ventricles, pulmonary circulation, and venous circulation. The venous circulation was divided into cranial, central, and caudal regions with… CONTINUE READING


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