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Exam 23: Heparin Calculations

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Question 1

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Order: 25,000 units heparin IV in 250 mL 0.9% NS to infuse at 20 units/kg/hr.The client weighs 165 lb. a.Weight in kilograms: _____ b.How many units will the client receive per hour? _____

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a.165 lb ÷ 2.2 = 75 kg b.20 units/kg/hr \(\times\) 75 kg = 1,500

Question 2

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A client weighs 220 lb.The hospital protocol for IV heparin drip is 14 units/kg/hr.How many units per hour should the client receive? _____

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220 lb ÷ 2.2 = 100 k...

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Question 3

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Order: 10,000 units of heparin in 500 mL 0.9% NS to infuse at 120 mL/hr units/hr = _____

A client weighs 165 lb.Order: Administer a bolus of heparin sodium IV.The hospital protocol is 80 units/kg.How many units will you administer? _____

Order: 50,000 units of heparin in 1 L D5 0.9% NS to infuse at 40 mL/hr units/hr = _____

A client weighs 70 kg.Heparin infusion: Heparin 25,000 units in 1,000 mL 0.9 % sodium chloride.Order: Bolus with heparin sodium at 90 units/kg,then initiate drip at 20 units/kg/hr. a.Calculate the heparin bolus dosage: _____ b.Calculate the infusion rate for the IV dosage: _____ c.Determine the rate in mL/hr at which to set the infusion device: _____

Order: 40 units/kg/hr heparin IV.The client weighs 116 lb.How many units should the client receive per hour? _____

Which solution of heparin is more concentrated: 1,000 units per mL or 10,000 units per mL? _____

Order: Infuse heparin at 2,000 units/hr IV from a solution containing 20,000 units of heparin in 500 mL D5W.How many milliliters will infuse per hour? _____ mL

Order: Infuse heparin at 800 units/hr IV from a solution containing 40,000 units in 1,000 mL D5W.How many milliliters will infuse per hour? _____ mL

If a U for units was misread as a zero by the nurse for a heparin dose,the consequences to the client receiving the heparin could be ____________________________.

Order: 40 units/kg/hr heparin IV.The client weighs 50 kg.How many units should the client receive per hour? _____

Order: 45,000 units of heparin in 1,000 mL D5 ½/2 NS at 25 mL/hr units/hr = _____

A client weighs 88 kg.Order: Bolus with heparin at 80 units/kg; initiate drip at 18 units/kg/hr.Heparin infusion 25,000 units in 500 mL 0.9 % sodium chloride. a.Calculate the heparin bolus dosage: _____ b.Calculate the infusion rate for the IV dosage: _____

Order: 30,000 units of heparin in 500 mL D5W to infuse at 15 mL/hr units/hr = _____

Order: 25,000 units of heparin in 250 mL D5W to infuse at 8 mL/hr units/hr = _____