Compute the answers to the following questions based on this information.
A critical care patient who weighs 80 kg has an order for 10 mcg/kg/min of dobutamine to be administered IV and regulated by an electronic pump. The supply of dobutamine is 500 mg in 250 mL of D 5 W.
-Compute the volume of milliliters infused per minute. __________ mL/min

Question

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The Answer is

\begin{aligned}\frac { 500 m g } { 250 m L } & = \frac { X m g } { m L } \250 \mathrm { X } & = 500 \\frac { 250 X } { 250 } & = \frac { 500 } { 250 } \X & = 2\end{aligned}

There are 2 mg/mL or 2,000 mcg/mL of medication supply.

\begin{array} { l } \frac { 2,000 \mathrm { mcg } } { 1 \mathrm {~mL} } = \frac { 800 \mathrm { mcg } } { X \mathrm {~mL} } \2,000 \mathrm { X } = 800 \\frac { 2,000 X } { 2,000 } = \frac { 800 } { 2,000 } \\mathrm { X } = 0.4 \mathrm {~mL}\end{array}

800 mcg of dobutamine are in 0.4 mL of IV solution.
800 mcg/min is delivered by a rate of 0.4 mL/min.

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