Left ventricular mechanical efficiency in man with heart disease.

  title={Left ventricular mechanical efficiency in man with heart disease.},
  author={William A. Baxley and Harold T. Dodge and Charles E. Rackley and Harold Sandler and David G Pugh},
  volume={55 4},
Thirty-eight adults with valvular and/or myocardial disease had heart catheterization with coronary blood flow and myocardial O2 consumption (MVO2) per 100 g measured by the nitrous oxide washout technique. Quantitative biplane angiocardiography was performed to assess left ventricular volume, mass, ejection fraction and work. Left ventricular efficiency was calculated from work, MVO2/100 g and mass. Efficiency ranged from 4 to 40% and was normal in some patients with severe ventricular… CONTINUE READING


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