A 5-year-old child with acute status asthmaticus.Child weighs 21 kg. Order: terbutaline 0.1 mcg/kg/min. Dilute 25 mg terbutaline in 25 mL D₅W to make a total volume of 50 mL. Infuse at 0.25 mL/hr with syringe pump. Pediatric dosage range: 0.02 to 0.25 mcg/kg/min. Drug available: terbutaline 1 mg/mL.
a. Concentration per minute?
b. Concentration per hour?
c. Concentration of solution?
d. Infusion rate?
e. Drug order?

Question

Quizplus · Accepted Answer

The Answer is a. 21 kg x 0.1 mcg/kg/min = 2.1 mcg/min
b. 2.1 mcg/min x 60 min/hr = 126 mcg/hr = 0.126 mg/hr
c. 25 mg : 50 mL = x mL
50x = 25
x = 0.5 mg/1 mL
d.

a. 21 kg x 0.1 mcg/kg/min = 2.1 mcg/min b. 2.1 mcg/min x 60 min/hr = 126 mcg/hr = 0.126 mg/hr c. 25 mg : 50 mL = x mL 50x = 25 x = 0.5 mg/1 mL d. e. 25 mL terbutaline added to 25 mL of D<sub>5</sub>W to make total volume of 50 mL.

e.

25 mL terbutaline added to 25 mL of D₅W to make total volume of 50 mL.

A 5-Year-Old Child with Acute Status Asthmaticus