Pediatric & critical-care dosing worksheet with answers

Free printable Pediatric & critical-care dosing worksheet: 6 problems from easy to exam level, with an answer key. Print it or save it as a PDF.

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Name: ____________________   Date: ____________

1.Easy
cephalexin · 50 mg/kg/day · 4× per day22 lb → D = ? mg

Practice exercise (made-up values, not clinical guidance). A child weighs 22 lb. The prescription is cephalexin 50 mg/kg/day in 4 equal divided doses. Using 1 kg = 2.2 lb, find the dose D in mg given each time.

22 lb1 kg = 2.2 lb50 mg/kg/day4× per day
D = mg
2.Easy
amoxicillin · 90 mg/kg/day · q8h9 kg → D = ? mg

Practice exercise (made-up values, not clinical guidance). A child weighing 9 kg is prescribed amoxicillin 90 mg/kg/day, divided and given every 8 hours. How many milligrams D are given per dose?

9 kg90 mg/kg/dayevery 8 h
D = mg
3.Medium
25 000 units500 mLheparin? mL/h58 kg18 units/kg/h

Practice exercise (made-up values, not clinical guidance). A bag contains 25 000 units of heparin in 500 mL. The order is 18 units/kg/h for a patient who weighs 58 kg. At what rate R do you set the pump, in mL/h? Round to one decimal place.

25 000 units/500 mL18 units/kg/h58 kg
R = mL/h
4.Medium
25 000 units500 mLheparin? mL/h95 kg16 units/kg/h

Practice exercise (made-up values, not clinical guidance). A bag contains 25 000 units of heparin in 500 mL. The order is 16 units/kg/h for a patient who weighs 95 kg. At what rate R do you set the pump, in mL/h? Round to one decimal place.

25 000 units/500 mL16 units/kg/h95 kg
R = mL/h
5.Hard
250 mg250 mLdobutamine? mL/h79 kg10 mcg/kg/min

Practice exercise (made-up values, not clinical guidance). A bag contains dobutamine 250 mg in 250 mL. The order is 10 mcg/kg/min for a patient who weighs 79 kg. At what rate R do you set the pump, in mL/h? Round to one decimal place.

250 mg/250 mL10 mcg/kg/min79 kg
R = mL/h
6.Hard
250 mg250 mLdobutamine22 mL/h69 kg? mcg/kg/min

Practice exercise (made-up values, not clinical guidance). A dobutamine infusion of 250 mg in 250 mL runs at 22 mL/h. The patient weighs 69 kg. What dose D in mcg/kg/min is the patient receiving? Round to one decimal place.

250 mg/250 mL22 mL/h69 kg
D = mcg/kg/min

Answer key

  1. 1. D = 125 mg
  2. 2. D = 270 mg
  3. 3. R = 20.9 mL/h
  4. 4. R = 30.4 mL/h
  5. 5. R = 47.4 mL/h
  6. 6. D = 5.3 mcg/kg/min

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