Calculate the stroke index using the following data: cardiac output = 3.7 L/min, heart rate = 90 beats/min, and body surface area = 1.7 m2
a. 0.024 mL/m2
b. 0.41 mL/m2
c. 24 mL/m2
d. 41 mL/m2
ANS: C
Stroke volume (SV) = cardiac output (C.O.)/heart rate (HR) and stroke index (SI) = stroke vol-ume (SV)/body surface area (BSA)
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