Question

2. The doctor orders gentamicin 80 mg 98H IV. You have available gentamicin 500 mg in a vial that says add 8.5 ml NS to yield 50 mg/ml solution. The child weighs 66 pounds. The Pediatric Reference states to give 10 mg/kg/24 hrs. Pt. Weighs Kg. Total Mg/24 hr ordered Total mg/24 hr safe dose . Maximum safe to give every 8 hours Amount you would administer ml. (If MD order not safe, calculate based on maximum safe dosage) lda

Answer 1

1)Child weight = 66 pounds

1 pound = 0.454 kg

66 pounds = 0.454 x 66= 29.9371

Pt. weight = Approx. 30kg

2)Total Mg/24 he ordered = 3 X 80 mg = 240 mg

3) Paediatric reference dose= 10mg/kg/24 hr

Total mg/24 hr safe dose= 10 X 30 = 300 mg

4) Maximum safe dose to give every 8 hr= 300/24 X8 = 100mg

5) Amount you wound administer= 2ml