What Is the Cardiac Output,by Using the Direct Fick Method,for $\mathrm{PaO}_{2}=80 \mathrm{~mm} \mathrm{Hg} \quad \mathrm{SaO}_{2}=90 \% \quad \mathrm{Hb}=14 \mathrm{gm} \%$

question 29

Multiple Choice

What is the cardiac output,by using the direct Fick method,for a patient with the following hemodynamic values?
$\mathrm{PaO}_{2}=80 \mathrm{~mm} \mathrm{Hg} \quad \mathrm{SaO}_{2}=90 \% \quad \mathrm{Hb}=14 \mathrm{gm} \%$

$\begin{array}{c}\mathrm{P}\overline{v} \mathrm{O}_{2}=35 \mathrm{~mm} \mathrm{Hg} \quad \mathrm{S}\overline{v}_{2}=65 \% \quad \mathrm{P}_{\mathrm{B}}=760 \mathrm{~mm} \mathrm{Hg} \\\qquad \mathrm{VO}_{2}=210 \mathrm{~mL} / \mathrm{min}\end{array}$

• A) 3.5 mL/min
• B) 4.36 mL/min
• C) 5.83 mL/min
• D) 6.15 mL/min

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