Dosage Calculation - Nursing

Question

Medication order: Dopamine 2 mcg/kg/min

The patient weighs 180 lbs.

Medication label: Dopamine 400 mg in 250 mL D5W

How many mL will you administer per hour?  (Round final answer to the tenths place) 

Answer 1

Hi

First convert lbs to KG

180 divided by 2.2 = 81.6466

Convert 2 mcg to mg = 0.002 mg

0.002mg/81.6466kg/min=0.16mg/min x 60 min= 9.6mg/hr

400 mg X 9.6 mg =

250ml x ml

2400 = 400x =

2400 = x

400

x= 6ml/hr

400x = 0.5

x = 0.5

400