Situation: The patient is ordered an IV of 1000 ml of Normal Saline over 8 hours.
7. At what rate would you set the IV pump (ml/hr)?
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Solution
1,000 ml ÷ 8 hrs
Situation: The patient is ordered an IV of 1000 ml of Normal Saline over 8 hours.
How many drops per minute would you set the gravity IV tubing with a drip factor of 15 drops/ml?
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Solution
125 ml ÷ 60 min x 15 gtts/ml
Situation: The patient is ordered an IV of 1000 ml of Normal Saline over 8 hours.
If the current IV bag was started at 1:00, what time would you hang the next bag?
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Solution
1300 + 8 hrs
Situation: The patient is ordered an IV of 1000 ml of Normal Saline over 8 hours.
The patient with an infection is to receive an IVPB of Ampicillin 500 mg in 50 ml over 30 minutes. At what rate would you set the pump?
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Solution
50 ml : 30 min = x ml : 60 min
Situation: The patient is ordered an IV of 1000 ml of Normal Saline over 8 hours.
An IVPB of Vancomycin 1 gram in 250 ml is to infuse over 90 minutes. At what rate should the pump be set?
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Solution
250 ml : 90 min = x ml : 60 min
Situation: The patient is ordered an IV of 1000 ml of Normal Saline over 8 hours.
The patient is ordered Fortaz 250 mg IM. The vial contains 500 mg powder with directions to add 1.5 ml of sterile water for a total volume of 1.8 ml. How many ml will you administer?
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Solution
500 mg : 1.8 ml = 250 mg : x ml
Situation: The patient is ordered an IV of 1000 ml of Normal Saline over 8 hours.
The physician ordered an IV of Dobutamine at 5 mcg/Kg/min. The patient weighs 198 lbs. The IV solution is 500 mg Dobutamine in 250 ml D5W. How many ml/hr should the pump be set?
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Solution
198 lbs ÷ 2.2 lbs/Kg = 90 Kg
90 Kg x 5 mcg/min = 4500 mg/min
4500 mcg ÷ 1000 mcg/mg = 0.45 mg/min
500 mg : 250 ml = 0.45 mg : x ml
x = .0225 ml/min
.0225 ml/min x 60 min in hr = 13.5 = 14 ml/hr
The IV with Nitroglycerin is infusing at 6 ml/hr. The concentration of the IV is 50 mg in 250 ml of D5W. How many mg/hr is the patient receiving?
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Solution
50 mg : 250 ml = x mg : 6 ml
The patient is to receive Heparin 1500 units/hr by IV infusion. The IV contains 25,000 units of Heparin in 250 ml of D5W. At what rate should you set the IV pump (ml/hr)?
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Solution
25,000 units : 250 ml = 1,500 units : x ml
*Remember a pump setting is always ml/hour
The pre-op patient is ordered Atropine gr. 1/150 IM. The vial contains Atropine 0.4 mg in 1 ml. How much will you give?
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Solution
1gr = 60 mg
1/150 gr – .4 mg
0.4 mg : 1 ml = 0.4 mg : x ml
Digoxin 125 mcg is ordered IVP every a.m. The vial contains 0.5 mg in 2 ml. How many ml will you give
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Solution
1 mg = 1000 mcg
0.5 mg : 2 ml = .125 mg : x ml
The patient is to take Aspirin gr. X. The bottle contains Aspirin 300 mg tablets. How many tablets should he take?
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Solution
Answer: D. 2 tablets
1 grain = 60 mg
10 grains = 600 mg
300 mg : 1 tab = 600 mg: x tabs
The cardiac patient is to receive Cardizem 5 mg IVP. The vial contains 10 mg/2 ml. How many ml will you give?
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Solution
10 mg : 2 ml = 5 mg : x ml
10 x = 10
x = 1