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In: Nursing

Advanced IV calculation #1 1. Order: 1000 mL 0.45% NS with 25,000 U heparin to infuse...

Advanced IV calculation #1

1. Order: 1000 mL 0.45% NS with 25,000 U heparin to infuse at 1000 U/h.

Flow rate: mL/h?

2. Order: 500 mL D5W IV with 40,000 U heparin to infuse at 1100 U/h.

Flow rate: mL/hr  

3. Order 500 ml 0.45% NS IV with 25,000 U heparin to infuse at 500 U/h

Flow rate: U/Hr?

4. Order 25,000 U heparin IV per Liter D5W. On rounds you assess the patient and observe that the infusion pump is at 120 mL/h.

Flow rate: U/Hr?

5. Order: 500 mL 0.45% NS IV with 30,000 U heparin to infuse at 25 mL/h.

Flow rate: U/Hr?

6. Order I L D5W IV with 40,000 U heparin to infuse at 80 ml/h.

Flow rate: U/Hr?

7. Order: 1000 mL D5 W IV with 20,000 U heparin to infuse at 60 ml/h.

Flow rate: U/Hr?

8. The patient is receiving 500 mL D5W IV with 30,000 U heparin. The IV is infusing at 96mL/h.

Flow rate: U/Hr?

9. Order: 1000 ml D5 ½ NS IV with 10,000 U heparin at 80 mL/h.

Flow rate: ml/Hr?

10. Order: regular insulin 15 units/hr IV

Supply: standard solution of 125 units in 250 mL NS, infusion pump

a. What is the rate?

b. How many hours will this IV infuse?

Solutions

Expert Solution

1. Order: 1000 mL 0.45% NS with 25,000 U heparin to infuse at 1000 U/h.Flow rate: mL/h?

FLOW RATE = 1000 x 1000/25000 = 40ml/hr

2. Order: 500 mL D5W IV with 40,000 U heparin to infuse at 1100 U/h.Flow rate: mL/hr  

flow rate = 500x 1100/40000 = 13.75ml/hr

3. Order 500 ml 0.45% NS IV with 25,000 U heparin to infuse at 500 U/hFlow rate: U/Hr?

flow rate in u/hr = 500u/hr

4. Order 25,000 U heparin IV per Liter D5W. On rounds you assess the patient and observe that the infusion pump is at 120 mL/h.Flow rate: U/Hr?

flow rate = 25000 x120/1000 = 3000U/HR

5. Order: 500 mL 0.45% NS IV with 30,000 U heparin to infuse at 25 mL/h.Flow rate: U/Hr?

FLOW RATE = 3000x 25 /500 = 100u/hr

6. Order I L D5W IV with 40,000 U heparin to infuse at 80 ml/h.Flow rate: U/Hr?

flow rate = 40000 x 80/1000 = 3200U/HR

7. Order: 1000 mL D5 W IV with 20,000 U heparin to infuse at 60 ml/h.Flow rate: U/Hr?

FLOW RATE = 20000 X 60/1000 = 1200U/HR

8. The patient is receiving 500 mL D5W IV with 30,000 U heparin. The IV is infusing at 96mL/h.Flow rate: U/Hr?

FLOW RATE = 30000 X 96/500 = 5760U /HR

9. Order: 1000 ml D5 ½ NS IV with 10,000 U heparin at 80 mL/h.Flow rate: ml/Hr?

FLOW RATE = 80ML/HR

10. Order: regular insulin 15 units/hr IV

Supply: standard solution of 125 units in 250 mL NS, infusion pump

a. What is the rate?

FLOW RATE = 250 X 15/125 = 30ML/HR

b. How many hours will this IV infuse?

1 HR -------- 15 UNIT

15 UNIT ----------> 1 HR

1 UNIT ---------> 1/15

125 UNIT -----> 125/15 8.3 HR

Nightingale answered 2 years ago
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