Deck 21: Heparin Calculations

Question 1

A patient weighs 165 lb.Place a space before the hundreds place in your answer,e.g. ,8 888.
Order: Administer a bolus of heparin sodium IV.The hospital protocol is 80 units/kg.
The patient will receive _________ units.

Answer 1

6 000

Question 2

Calculating Subcutaneous Dosages
Order: Heparin 4 600 units SUBCUT 2 hours before surgery
Available: You will administer ________ mL.

Answer 2

0.92

Question 3

A patient weighs 220 lb.The hospital protocol for IV heparin drip is 14 units/kg/h.Place a space before the hundreds place in your answer,e.g. ,8 888.
The patient will receive _________ units per hour.

Answer 3

1 400

Question 4

A patient weighs 88 kg.Separate answers with a comma followed by a space;place a space before the hundreds place in your answer,e.g. ,8 888.
Order: Bolus with heparin at 80 units/kg;initiate drip at 18 units/kg/h.Heparin infusion 25 000 units in 500 mL 0.9% sodium chloride.
The heparin bolus dosage is _________ units and the maintenance IV infusion rate is _________ units per hour.

Question 5

Use the following weight-based heparin protocol for the following problems.Separate answers with a comma followed by a space;place a space before the hundreds place in your answer,e.g. ,8 888.
A patient weighs 158.4 lb.Determine the bolus dose of heparin and the initial infusion rate.
The patient's heparin bolus dosage is __________ units and the initial IV infusion rate is __________ mL/h.

Question 6

Order: 25 000 units heparin IV in 250 mL 0.9% NS to infuse at 20 units/kg/h.The patient weighs 165 lb.Separate answers with a comma followed by a space;place a space before the hundreds place in your answer,e.g. ,8 888.
The patient's weight is ________ kg and the patient will receive ________ units per hour.

Question 7

Which solution of heparin is more concentrated: 1 000 units per mL or 10 000 units per mL? Place a space before the hundreds place in your answer,e.g. ,8 888.
The patient will receive _________ units per mL.

Question 8

Order: 40 units/kg/h heparin IV.The patient weighs 50 kg.Place a space before the hundreds place in your answer,e.g. ,8 888.
The patient will receive _________ units per hour.

Question 9

Calculating Subcutaneous Dosages
Order: Heparin 5 600 units SUBCUT stat
Available: You will administer ________ mL.

Question 10

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

Question 11

Order: 40 units/kg/h heparin IV.The patient weighs 116 lb.Place a space before the hundreds place in your answer,e.g. ,8 888.
The patient will receive _________ units per hour.

Question 12

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

Question 13

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

Question 14

Calculate the following hourly dosage of heparin (units/h).
Order: 25 000 units of heparin in 250 mL D5W to infuse at 8 mL/h
Administer ________ units/h

Question 15

Use the following weight-based heparin protocol for the following problems.Separate answers with a comma followed by a space;place a space before the hundreds place in your answer,e.g. ,8 888.
A patient weighs 158.4 lb and is on an IV infusion of heparin.The PTT is reported as 88.The IV pump is calibrated to deliver in tenths of an mL/h.
Based on the PTT result you will decrease the IV infusion rate by _______ units per hour.

Question 16

Calculate the following hourly dosage of heparin (units/h).
Order: 30 000 units of heparin in 500 mL D5W to infuse at 15 mL/h
Administer ________ units/h

Question 17

Calculate the following hourly dosage of heparin (units/h).Place a space before the hundreds place in your answer,e.g. ,8 888.
Order: 50 000 units of heparin in 1 L D5 0.9% NS to infuse at 40 mL/h
Administer ________ units/h

Question 18

Calculate the following hourly dosage of heparin (units/h).Place a space before the hundreds place in your answer,e.g. ,8 888.
Order: 45 000 units of heparin in 1 000 mL D5 1/2/2 NS at 25 mL/h
Administer ________ units/h

Question 19

A patient weighs 70 kg.Heparin infusion: Heparin 25 000 units in 1 000 mL 0.9% sodium chloride.Separate answers with a comma followed by a space;place a space before the hundreds place in your answer,e.g. ,8 888.
Order: Bolus with heparin sodium at 90 units/kg,then initiate drip at 20 units/kg/h.
The heparin bolus dosage is ________ units and the maintenance dose will infuse at ________ units per hour regulated on the IV infusion device at _______ mL per hour.

Question 20

Calculate the following hourly dosage of heparin (units/h).Place a space before the hundreds place in your answer,e.g. ,8 888.
Order: 10 000 units of heparin in 500 mL 0.9% NS to infuse at 120 mL/h
Administer ________ units/h

Question 21

Use the following weight-based heparin protocol for the following problems.Separate answers with a comma followed by a space;place a space before the hundreds place in your answer,e.g. ,8 888.
A patient weighs 81 kg and is on an IV infusion of heparin.The PTT is reported as 43.The IV pump is calibrated to deliver in tenths of an mL/h.
Based on the PTT result you will administer an IV heparin bolus of ___________ units and you will increase the IV infusion rate by _______ units per hour.

Question 22

Use the following weight-based heparin protocol for the following problems.Separate answers with a comma followed by a space;place a space before the hundreds place in your answer,e.g. ,8 888.
A patient weighs 81 kg.Determine the bolus dose of heparin,the initial infusion rate,and then adjust the hourly infusion rate up or down on the basis of the APTT results.APTT is reported as 43.The IV pump is calibrated in tenths of an mL.
The patient's heparin bolus dosage is __________ units and the initial IV infusion rate is __________ mL/h.