Relating left ventricular dimension to maximum elastance by fiber mechanics.

  title={Relating left ventricular dimension to maximum elastance by fiber mechanics.},
  author={Rafae Beyar and Samuel Sideman},
  journal={The American journal of physiology},
  volume={251 3 Pt 2},
The dependence of the pressure-volume slope, which defines the maximum elastance (Emax) and the zero pressure-volume intercept (Vd) on the size and dimensions of the left ventricle (LV), is theoretically studied, and a normalizing parameter for Emax is suggested for normal and hypertrophied hearts. The study is based on our earlier model of the mechanics of the LV contraction, which assumes a nested-shell spheroidal shape, Streeter's fiber angle distribution, given stress-length and stress… CONTINUE READING

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