NOTE:
Figure 2-1 below illustrates the process of reconstitution of the medication in
this example.
Figure 2-1. The process of reconstitution.
(a)
200,000 units = 300,000 units
1 ml
X ml
(b) Cross-multiply.
200,000X = 300,000
(c)
Solve for X. Label answer.
X = 1.5 ml
PRACTICE: The physician has ordered 0.5 gm of Mefoxin I.M. b.i.d. You
have a 1 gm vial available. Directions for reconstitution are:
Concentration
Amount of
Withdrawable
Diluent
Volume
400 mg/ml
2 ml for I.M. use
2.5 ml
95 mg/ml
10 ml for I.V. use
10.5 ml
1 Which concentration should be used?
MD0904
2-32