Numeracy Skills for Drug Calculations
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Drip Rates

Worked Example

Q1. Please calculate the number of drops per minute that the following intravenous infusion would be set at. The drip rate of the infusion set is 20 drops per mL. 1000 mL 0.9% Sodium Chloride over 12 hours?

Q2. A unit of blood is to be transfused over 4 hours. The volume of blood is 250 mL. The drip rate of the infusion set is 15 drops per mL. Calculate the number of drops per minute the transfusion requires to be set at.

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