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    Rn Hesi Dosage Calculations III Proctored Exam
    Calculation

    The healthcare provider prescribes heparin 1,400 units/hour intravenously (IV). The IV bag contains "Heparin 20,000 units in 250 mL dextrose 5% in water." How many mL/hr should the nurse program the infusion pump to deliver? (Enter numeric value only. If rounding is required, round to the nearest whole number.)

    mL/hour

    Explanation & Rationale

    Here's how to calculate the rate (mL/hour) for the infusion pump: Heparin concentration: The medication is available in a 250 mL bag containing 20,000 units of heparin. Heparin concentration (units/mL) = Total heparin (units) / Volume (mL) Heparin concentration (units/mL) = 20,000 units / 250 mL Heparin concentration (units/mL) = 80 units/mL (round to nearest whole number) Prescribed heparin dose: 1,400 units/hour (given) We need to find the volume delivered per hour (mL/hour) to achieve the prescribed heparin dose (1400 units/hour) considering the concentration (80 units/mL). Infusion rate (mL/hour) = Dose (units/hour) / Concentration (units/mL) Infusion rate (mL/hour) = 1400 units/hour / 80 units/mL Infusion rate (mL/hour) = 17.5 mL/hour (round to nearest whole number) Therefore, the nurse should program the infusion pump to deliver approximately 18 mL/hour.

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