Deck 23: Heparin Calculations

Question 1

Directions: Calculate the following hourly dosage of heparin (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: _____

Answer 1

a.80 units/kg * 88 kg = 7,040 units
b.18 units/kg/hr * 88 kg = 1,584 units/hr

Question 2

Directions: Calculate the following hourly dosage of heparin (units/hr).
Order: 25,000 units of heparin in 250 mL D5W to infuse at 8 mL/hr
units/hr = _____

Answer 2

800

Question 3

Directions: Calculate the following hourly dosage of heparin (units/hr).
Order: 10,000 units of heparin in 500 mL 0.9% NS to infuse at 120 mL/hr
units/hr = _____

Answer 3

2,400

Question 4

Directions: Calculate the following hourly dosage of heparin (units/hr).
Order: Heparin 4,600 units subcut 2 hours before surgery
Available: a)How many milliliters will you administer? _______
b)Shade the dosage in on the syringe provided.

Question 5

Directions: Calculate the following hourly dosage of heparin (units/hr).
Order: 30,000 units of heparin in 500 mL D5W to infuse at 15 mL/hr
units/hr = _____

Question 6

Directions: Calculate the following hourly dosage of heparin (units/hr).
Order: 40 units/kg/hr heparin IV.The client weighs 116 lb.
How many units should the client receive per hour? _____

Question 7

Directions: Calculate the following hourly dosage of heparin (units/hr).
Which solution of heparin is more concentrated: 1,000 units per mL or 10,000 units per mL? _____

Question 8

Directions: Calculate the following hourly dosage of heparin (units/hr).
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 ____________________________.

Question 9

Directions: Calculate the following hourly dosage of heparin (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: _____

Question 10

Directions: Calculate the following hourly dosage of heparin (units/hr).
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? _____

Question 11

Directions: Calculate the following hourly dosage of heparin (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? _____

Question 12

Directions: Calculate the following hourly dosage of heparin (units/hr).
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

Question 13

Directions: Calculate the following hourly dosage of heparin (units/hr).
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

Question 14

Directions: Calculate the following hourly dosage of heparin (units/hr).
Order: 40 units/kg/hr heparin IV.The client weighs 50 kg.
How many units should the client receive per hour? _____

Question 15

Directions: Calculate the following hourly dosage of heparin (units/hr).
Order: 50,000 units of heparin in 1 L D5 0.9% NS to infuse at 40 mL/hr
units/hr = _____

Question 16

Directions: Calculate the following hourly dosage of heparin (units/hr).
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? _____

Question 17

Directions: Calculate the following hourly dosage of heparin (units/hr).
Order: 45,000 units of heparin in 1,000 mL D5 /2 NS at 25 mL/hr
units/hr = _____