4. According to the Fick principle, the oxygen consumption rate of an organ is e

Question

4. According to the Fick principle, the oxygen consumption rate of an organ is equal to the blood flow through the organ times the amount of oxygen extracted from the blood as it flows through the organ Oxygen consumption rate Blood flow (arterial oxygen content venous oxygen content) Joan has a total body oxygen consumption rate of 250 mL/min. The oxygen content of blood in her aorta is 200 mL O2/L blood, and the oxygen content of her pulmonary artery blood is 160 mL blood. What is Joan's cardiac output?

Explanation / Answer

Ficks equation of CO=ML of oxygen cosumed/(arterial oxygen concentration-venous oxygen concentration)

=250/(200-160)

=250/40

CO=6.25 ml/min

So therefore the cardiac output of Joan is 6.25ml/min

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