assuming that the point of optimal efficiency was located at the same fraction of the maximal unloaded left ventricular output ( fmax ) as in the isolated hearts , i.e. , 0.7 , we found the point of optimal efficiency for the in situ heart at a flow of 5.83 +/- 0.32 ml/s , which was significantly different ( p less than 0.001 ) from the flow in the working point .
C0225897
left ventricular
C0018787
hearts