Ordered: insulin infusion,Humulin R 7 units per hr
Infusing: insulin Humulin R infusion at 10 mL per hr
Available: 100 units Humulin R in 100 mL NS
How many units of insulin are infusing?
A)Estimate:
B)DA equation:
C)Evaluation: How many milliliters per hour will deliver the ordered flow rate?
D)Estimate:
E)DA equation:
F)Evaluation:
G)Decision:

a.10 units (the concentration is 1 unit: 1 mL)
b.
c.Equation is balanced.Estimate supports answer.Only units per hour remain.
d.Estimate: 7 mL per hour.
e.
f.Equation is balanced.Estimate supports answer.
g.Flow rate is excessive and needs to be reduced to 7 mL per hour.Notify the prescriber promptly.Monitor the patient and blood glucose levels for hypoglycemia.