Deck 17: Critical Care Dosage Calculations

Question 1

An IV of epinephrine is infusing at 23 mL/hr. The IV bag contains 1 mg of epinephrine in 250 mL NS. Calculate the mcg/min dosage. _____ mcg/min

Answer 1

30 to 72 mL/hr

Question 2

A provider orders epinephrine IV at 1 mcg/min. The IV bag contains 1 mg epinephrine in 250 mL NS. _____ mL/hr

Answer 2

15 mL/hr

Question 3

A provider orders amiodarone IV at 2.5 mg/min. The IV bag contains 900 mg amiodarone in 250 mL D₅W. _____ mL/hr

Answer 3

41.7 mL/hr

Question 4

A provider orders an argatroban IV drip to begin at 2 mcg/kg/min. The maximum dose is 10 mcg/kg/min. The patient weighs 49 kg. The IV bag contains 250 mg of argatroban in 250 mL D₅W. _____ mL/hr

Question 5

A provider orders dopamine IV at 8 mcg/kg/min. The IV bag contains 400 mg dopamine in 250 mL. The patient weighs 82 kg. _____mL/hr

Question 6

A diltiazem IV drip is infusing at 9.1 mL/hr. The IV bag contains 250 mg of diltiazem in 250 mL D₅W. The prescribed dosage range is 84 to 167 mcg/min. The current dose infusing is _____ mcg/min. Round to the nearest tenth mcg. The current dose is _____ (within/outside) the prescribed dose of 84 to 167 mcg/min.

Question 7

An IV of infliximab is infusing at 25 mL/hr. The IV bag contains 300 mg of infliximab in 250 mL NS. Calculate the mcg/min dosage. _____ mcg/min

Question 8

A provider orders a dobutamine IV drip to begin at 2 mcg/kg/min. The maximum dose is 20 mcg/kg/min. The patient weighs 56 kg. The IV bag contains 250 mg dobutamine in 1,000 mL D₅W. _____ mL/hr

Question 9

A provider orders a cisatracurium IV drip to begin at 2.5 mcg/kg/min. The maximum dose is 8 mcg/kg/min. The patient weighs 65 kg. The IV bag contains 125 mg cisatracurium in 100 mL D₅W. _____ mL/hr

Question 10

A provider orders phenylephrine IV at 50 mcg/min. The IV bag contains 8 mg phenylephrine in 100 mL NS. _____ mL/hr

Question 11

A conivaptan IV drip is infusing at 6.9 mL/hr. The IV bag contains 40 mg conivaptan in 250 mL D₅W. The prescribed dosage range is 13.8 to 26.7 mcg/min. The current dose infusing is _____ mcg/min. Round to the nearest tenth mcg. The current dose is _____ (within/outside) the prescribed dose of 13.8 to 26.7 mcg/min.

Question 12

A provider orders a milrinone IV drip to begin at 0.375 mcg/kg/min. The maximum dose is 0.75 mcg/kg/min. The patient weighs 77 kg. The IV bag contains 200 mg milrinone in 200 mL NS. _____ mL/hr

Question 13

An IV of labetalol is infusing at 21 mL/hr. The IV bag contains 150 mg labetalol in 250 mL D₅W. Calculate the mg/min dosage. _____ mg/min

Question 14

A provider orders nitroprusside IV at 150 mcg/min. The IV bag contains 40 mg in 250 mL D₅W. _____ mL/hr

Question 15

A provider orders norepinephrine IV at 8 mcg/min. The IV bag contains 6 mg norepinephrine in 200 mL D₅W. _____ mL/hr

Question 16

A provider orders nesiritide IV at 0.015 mcg/kg/min. The IV bag contains 2 mg nesiritide in 250 mL solution. The patient weighs 64 kg. _____ mL/hr

Question 17

An isoproterenol IV drip is infusing at 30.4 mL/hr. The IV bag contains 2.5 mg isoproterenol in 250 mL D₅W. The prescribed dosage range is 0.5 to 6 mcg/min. The current dose infusing is _____ mcg/min. Round to the nearest tenth mcg. The current dose is _____ (within/outside) the prescribed dose of 0.5 to 6 mcg/min.

Question 18

A provider orders fenoldopam IV at 0.25 mcg/kg/min. The IV bag contains 40 mg fenoldopam in 500 mL D₅W. The patient weighs 78 kg. _____ mL/hr

Question 19

An IV of tirofiban is infusing at 14 mL/hr. The IV bag contains 30 mg of tirofiban in 250 mL NS. Calculate the mcg/min dosage. _____ mcg/min

Question 20

A provider orders inamrinone IV at 0.01 mg/kg/min. The IV bag contains 500 mg inamrinone in 250 mL solution. The patient weighs 45 kg. _____ mL/hr

Question 21

A phenylephrine IV drip is infusing at 6 mL/hr. The IV bag contains 150 mg in 200 mL NS. The prescribed dosage range is 40 to 80 mcg/min. The current dose infusing is _____ mcg/min. Round to the nearest tenth mcg. The current dose is _____ (within/outside) the prescribed dose of 40 to 80 mcg/min.