Question

A patient with COPD is rushed to the ER with bronchospasms. The doctor orders two 0.25 mg subcutaneous doses of terbutalinespaced 30 minutes apart. Terbutaline comes prepared as an injection with 1 mg/ml. How many ml does the patient need to receive?

Label all numbers with its corresponding unit and drug

Place zeros in front of decimals (0.1)

Answer 1

Ans) Order: 2 doses of 0.25 mg subcutaneous doses of terbutalinespaced 30 minutes apart.

Available: 1 mg/ml

1 mg = 1 ml

0.25 mg = x

x = 0.25/1 = 0.25 ml

So, 2 doses of 0.25 ml to be administered subcutaneously at 30 mins apart.