High School

Calculate the bolus and units per hour for heparin.

- Heparin 60 units/kg (bolus)
- Heparin 12 units/kg/hr (infusion rate)

Patient weight: 173 lb

Answer :

The bolus dose is 4710 units, and the infusion rate is 942 units/hr.

  1. First, convert the patient's weight from pounds to kilograms.

    • Weight in kg = Weight in lb / 2.205
    • Weight in kg = 173 lb / 2.205 ≈ 78.5 kg

  2. Calculate the bolus dose of heparin required.

    • Bolus dose (units) = 60 units/kg × weight in kg
    • Bolus dose = 60 units/kg × 78.5 kg = 4710 units

  3. Calculate the continuous infusion rate of heparin required.

    • Infusion rate (units/hr) = 12 units/kg/hr × weight in kg
    • Infusion rate = 12 units/kg/hr × 78.5 kg = 942 units/hr

Therefore, for a patient weighing 173 lb, the bolus dose of heparin is 4710 units and the continuous infusion rate is 942 units/hr.

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