Which of the following equations would you use to compute systemic vascular resistance?
a. (Mean aortic pressure ? right atrial pres-sure) ÷ CO
b. (Mean aortic pressure/right atrial pressure) ? CO
c. (Mean aortic pressure ? right atrial pres-sure) ÷ CO
d. (Right atrial pressure ? mean aortic pres-sure) ÷ CO
ANS: C
SVR = (mean aortic pressure – right atrial pressure)/CO.
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