Calculate the cardiac index for a patient with the following data: heart rate = 80 beats/min, stroke volume = 55 mL, and body surface area = 2.8 m2
a. 0.57 L/min/m2
b. 1.6 L/min/m2
c. 7.2 L/min/m2
d. 19.6 L/min/m2
ANS: A
Cardiac index (CI) = cardiac output (C.O.)/body surface area (BSA) and cardiac output (C.O.) = stroke volume (SV) ? heart rate (HR).
Health Professions
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