Cardiac efficiency

  title={Cardiac efficiency},
  author={Jochen D Schipke},
  journal={Basic Research in Cardiology},
Efficiency is defined as the ratio of the energy delivered by a system to the energy supplied to it. Depending on the particular question being addressed, there exist a plethora of definitions of efficiency in medical texts, thus hampering their comparison. If only the ventricular work seen by the arterial system is under investigation, pressure-volume work will serve as a useful numerator. If, on the other hand, external and internal work together, i.e. the total mechanical work, is of… CONTINUE READING


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