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e.Assume that the coronary blood flow of this patient is reduced such that the blood flow to one coronary artery is 100 ml/min, but is only 25 ml/min to the other coronary artery. What is the ratio of the resistances of the coronary artery with higher flow to the one with lower flow?
Homework #9 KEY Systems Bioengineering I, Fall 2013 Page 12 of 12 12 6.(3 points) Stroke work and Oxygen requirements The figure shown above depicts the left ventricular pressure-volume loops from two different patients, A and B. a.Calculate the stroke work for each patient. b.Estimate the oxygen requirement for each patient per heartbeat. c.What does the stroke work ALONE tell you about the efficiency of the heart? 25 50 75 100 125 150 175