RN HESI Dosage Calculations II Proctored Exam
Calculation
A client with deep vein thrombosis (DVT) is receiving a continuous infusion of Heparin Sodium 20,000 Units in 5% Dextrose Injection 500 mL at the rate of 25 mL/hour. How many units of heparin should the client receive in 12 hours? (Enter numeric value only.)
Explanation & Rationale
- To calculate the units of heparin in 12 hours, multiply the infusion rate by the concentration of heparin and the duration of infusion. - Infusion rate = 25 mL/hour - Concentration of heparin = 20,000 units / 500 mL - Duration of infusion = 12 hours - Units of heparin in 12 hours = 25 x (20,000 / 500) x 12 - Units of heparin in 12 hours = 12,000
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