Deck 17: Advanced Adult Intravenous Calculations

Question 1

Compute the answers to the following questions based on this information.
A critical care patient who weighs 80 kg has an order for 10 mcg/kg/min of dobutamine to be administered IV and regulated by an electronic pump. The supply of dobutamine is 500 mg in 250 mL of D₅W.
Compute the volume of milliliters infused per minute. __________ mL/min

Answer 1

There are 2 mg/mL or 2,000 mcg/mL of medication supply. 800 mcg of dobutamine are in 0.4 mL of IV solution.
800 mcg/min is delivered by a rate of 0.4 mL/min.

Question 2

Given:Complete the following advanced IV calculations. The problems and drug orders are presented for practice only, and actual prescribed dosages will vary according to a patient's age, condition, reaction, additional medications, and other factors.
1 L D₅W with 10,000 units heparin to infuse at 1000 units/h

Answer 2

Question 3

Order: 1,000 mL D5W with heparin 20,000 units IV is to infuse at a rate of 750 units/h.
The drop factor is 12 gtt/mL
Calculate the flow rate. Flow rate: __________ gtt/min

Answer 3

20,000X = 750,000
X = 37.5 mL
7.5 = 8 gtt/min

Question 4

What does the protocol/sample order indicate for the initial infusion rate for this patient?
__________ units/kg/h
Calculate the dosage of heparin this patient should receive each hour.
__________ units/h
What does the protocol/sample orders indicate as the required solution concentration (supply dosage) of heparin to use for the initial infusion?
__________ units/mL
Calculate the heparin solution volume this patient should receive each hour to provide correct infusion for the patient's weight.
__________ mL/h

Question 5

Given:Complete the following advanced IV calculations. The problems and drug orders are presented for practice only, and actual prescribed dosages will vary according to a patient's age, condition, reaction, additional medications, and other factors.
One of your patients has an IV that is flowing at a rate of 10 gtt/min. The IV bag contains a solution of 500 mL NS with 20,000 units of heparin. The drop factor is 15 gtt/mL.

Question 6

Compute the answers to the following questions based on this information.
A critical care patient who weighs 80 kg has an order for 10 mcg/kg/min of dobutamine to be administered IV and regulated by an electronic pump. The supply of dobutamine is 500 mg in 250 mL of D₅W.
Compute the number of micrograms and the number of milligrams per minute that the patient will receive.

Question 7

Compute the answers to the following questions based on this information.
A patient's IV fluids are to be limited. His continuous IV order is for 2,000 mL of NS every 24 hours. He is to receive an IV PB of 150 mg of netromycin in 100 mL NS infused in 2 hours, every 8 hours. His IV flow rate is controlled by an infusion pump.
Answer the following questions about his IV PB.
How many milliliters per day flow for his IV PB? __________ mL/day

Question 8

The following questions refer to your patient who is on IV heparin therapy according to the "Standard Weight Based Heparin Protocol" noted below. The patient weighs 144 pounds. On admission, the patient's APTT is 30 seconds. You initiate IV heparin therapy at 1130 on 06/06/XX. Record your answers in the spaces below unless provided with the "Standard Weight Based Heparin Protocol Worksheet" by your instructor.
Calculate the dosage of heparin that should be administered for the bolus for this patient.
__________ units
What does the protocol indicate as the required solution concentration (supply dosage) of heparin to use for the bolus?
__________ units/mL
Calculate the dose volume of heparin that should be administered for the bolus for this patient.
__________ mL

Question 9

Answer the following questions about his continuous IV.

Question 10

The following questions refer to your patient who is on IV heparin therapy according to the "Standard Weight Based Heparin Protocol" noted below. The patient weighs 144 pounds. On admission, the patient's APTT is 30 seconds. You initiate IV heparin therapy at 1130 on 06/06/XX. Record your answers in the spaces below unless provided with the "Standard Weight Based Heparin Protocol Worksheet" by your instructor.
What is the patient's weight as measured in kilograms? (Round to the nearest 10 kg.)
__________ kg
What does the protocol/sample order indicate for the standard bolus dosage of heparin for this patient?
__________ units/kg

Question 11

Given:Complete the following advanced IV calculations. The problems and drug orders are presented for practice only, and actual prescribed dosages will vary according to a patient's age, condition, reaction, additional medications, and other factors.
1,000 mL NS with 10,000 units heparin to infuse at 750 units/h

Question 12

Order: 500 mL D5W with heparin 5000 units IV to infuse at 1000 units/h.
The drop factor is 10 gtt/mL.
Calculate the flow rate. Flow rate: __________ gtt/min

Question 13

Compute the answers to the following questions based on this information.
A critical care patient who weighs 80 kg has an order for 10 mcg/kg/min of dobutamine to be administered IV and regulated by an electronic pump. The supply of dobutamine is 500 mg in 250 mL of D₅W.
Compute the flow rate in mL/h. __________ mL/h

Question 14

Order: Lidocaine 2 g IV in 1,000 mL D5W to infuse at a rate of 3 mg/min by infusion pump. Calculate the flow rate. Flow rate: ___________ gtt/min

Question 15

At 2345, the patient's APPT is 46 seconds. What should you do now?

Question 16

At 0600 0n 06/07/XX, the patient's APPT is 50 seconds. What should you do now?

Question 17

How many hours per day does his IV PB flow?

Question 18

Compute the answers to the following questions based on this information.
Compute the volume of Pepcid to be added to the 100 mL D₅W.
Compute the flow rate.
Pepcid: __________ mL Flow rate: __________ mL/h

Question 19

Compute the answers to the following questions based on this information.
A patient's IV fluids are to be limited. His continuous IV order is for 2,000 mL of NS every 24 hours. He is to receive an IV PB of 150 mg of netromycin in 100 mL NS infused in 2 hours, every 8 hours. His IV flow rate is controlled by an infusion pump.
Answer the following questions about his IV PB.
What is the flow rate of his IV PB? __________ mL/h

Question 20

According to the protocol/sample order, how often should the patient's APPT be checked?
q.__________h
At 1730, the patient's APPT is 38 seconds. Rebolus with heparin How much should you change the infusion rate?
__________ increase or __________ decrease heparin __________ units/h and __________ ml/h.
The new infusion rate will be heparin __________ mL/h.

Question 21

An ICU patient weighing 70 kg has an order for dobutamine 5 mcg/kg/min to be administered IV and regulated by infusion pump. The supply of dobutamine is 500 mg in 500 mL D5W.
Compute the flow rate in ml/h. Flow rate __________ mL/h

Question 22

Order: Nitroglycerin 100 mg IV in 500 mL D5W to infuse at a rate of 30 mcg/min.
Calculate the flow rate. Flow rate: ___________ gtt/min

Question 23

An ICU patient weighing 70 kg has an order for dobutamine 5 mcg/kg/min to be administered IV and regulated by infusion pump. The supply of dobutamine is 500 mg in 500 mL D5W.
Based on an order for 350 mcg/min or 0.35 mg/min, compute the volume of mL infused per minute.

Question 24

An ICU patient weighing 70 kg has an order for dobutamine 5 mcg/kg/min to be administered IV and regulated by infusion pump. The supply of dobutamine is 500 mg in 500 mL D5W.
Compute the number of micrograms and the number of milligrams that the patient will receive.
mcg/min __________ mg/min __________