Dosage Calculations Flashcards
(13 cards)
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What is the formula for calculating dose from stock?
Dose = Strength x Volume
A child weighs 25 kg and needs 10 mg/kg. What is the total dose?
250 mg
Give 5 mg/kg to a 70 kg patient. Total dose?
350 mg
You have 100 mg in 2 mL. What is the concentration?
50 mg/mL
Give 500 mg from a 250 mg/5 mL solution. How much volume?
10 mL
How many mL for a 125 mg dose from 250 mg/5 mL?
2.5 mL
A 50 kg patient requires 0.2 mg/kg. Total dose?
10 mg
Infuse 1000 mL over 8 hours. What is the rate in mL/hr?
125 mL/hr
Give 500 mL over 4 hours. What is the infusion rate?
125 mL/hr
Using a 20 drops/mL set, how many drops/min for 1000 mL in 8 hrs?
42 drops/min
Infuse 250 mL over 2 hours. Drop factor = 20 drops/mL. Drops/min?
42 drops/min
Infuse 100 mL over 30 min with a 15 drops/mL set. Drops/min?
50 drops/min
