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How many ml should be administered?
b. Convert the strength of the medication ordered and the
strength of the medication stocked to the same unit of measurement.
c. Cross-multiply.
d. Solve for X. Round off to the nearest tenth. Label answer.
SOLUTION:
1. 400 mg/ml
2. a. 400 mg = 0.5 gm
1 ml
X ml
b. 1 gm = 0.5 gm
1000 mg
X mg
X = 500 mg
400 mg = 500 mg
1 ml X ml
c. 400X = 500
d. X = 1.25 = 1.3 ml
PRACTICE: The order is to give Cleocin Phosphate 300 mg I.V.
Directions for reconstitution state: Add 50 ml of sterile water.
Each ml will contain 12 mg of medication. How many ml will
you give?
SOLUTION:
1 ml = X ml
12 mg
300 mg
12X = 300
X = 25 ml
c. Heparin Calculations.
(1)
Heparin is supplied in various concentrations, labeled in units per ml.
(2)
It is administered subcutaneously or intravenously.
MD0904
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