PRACTICE #1: The physician has ordered a continuous infusion of
Aminophylline at a rate of 25 mg/hr. The pharmacy sends
up a 500 ml bag of D5W with 500 mg of Aminophylline
added. Using a drop factor of 60 gtts/ml, determine the
infusion rate.
SOLUTION:
a.
500 mg
500 ml
b.
500 mg = 25 mg
500 ml
X ml
500 X= 12,500
X = 25 ml/hr
c.
25 ml x 60 gtts/ml
60
1500 = 25 gtts/min
60
PRACTICE #2: The patient is to receive a regular insulin drip of 10 units/hr.
The pharmacy sends up a 250 ml bag of normal saline with
100 units of regular insulin added. The I.V. administration
set delivers 60 gtts/ml. How many gtts/min will you
administer?
SOLUTION:
a.
100 units
250 ml
b.
100 units = 10 units
250 ml
X ml
100 X = 2500
X = 25 ml/hr
c.
25 ml x 60 gtts/ml
60
1500 = 25 gtts/min
60
MD0904
2-59