The nurse is caring for a client who is having chest pain. The healthcare provider prescribes an infusion of nitroglycerin. The initial dose is 12 mcg/min. The nitroglycerin is dispensed at a concentration of 100 mg/ 250 mL. How many mL/hr will the nurse set the infusion pump? (Round rate to the nearest tenth. Only enter numbers and decimals. Do not enter any letters in your answer.)
The Correct Answer is ["1.8"]
Infusion rate (mL/hr) = Desired dose (units/hr) / Concentration of nitroglycerin (units/mL)
First, calculate the concentration of nitroglycerin in the IV bag:
- 100 mg / 250 mL = 0.4 mg/mL
Next, convert the desired dose from mcg/min to mg/hr:
- 12 mcg/min 60 min/hr = 720 mcg/hr = 0.72 mg/hr
Finally, plug the values into the formula:
- Infusion rate = 0.72 mg/hr / 0.4 mg/mL = 1.8 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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