Exam 11: Advanced Intravenous Calculations

Directions: Calculate the IV medication and infusion rates.Use a calculator for safe dose range calculations,multiplication,and long division as desired.Verify results using DE-style equations where requested.If the order is unsafe,do not proceed with the math.Label answers. Ordered: A medicated IV infusion at 1 mg per minute.Available: Drug Y 250 mg in 250 mL of D₅W. A)What will the flow rate be in mL per hour? B)DA: C)Evaluation:

Directions: Calculate the IV medication and infusion rates.Use a calculator for safe dose range calculations,multiplication,and long division as desired.Verify results using DE-style equations where requested.If the order is unsafe,do not proceed with the math.Label answers. Ordered: meperidine 30-mg IV push,for a patient with complaints of pain. Drug reference: Inject over 1 minute. Available: Total number of milliliters for the prepared injection to nearest tenth of a milliliter: A)Estimate: B)DA equation: C)Evaluation: D)Total minutes for injection: Total seconds for injection: E)Total number of calibrations occupied by dose: Number of calibrations per second to be pushed: F)DA equation: G)Evaluation:

Directions: Calculate the IV medication and infusion rates.Use a calculator for safe dose range calculations,multiplication,and long division as desired.Verify results using DE-style equations where requested.If the order is unsafe,do not proceed with the math.Label answers. Ordered: Dopamine infusion at 5 mcg per kg per min.Available: Dopamine 200 mg in 250 mL of D₅W. Patient weight: 80 kg A)How many mcg per mL are contained in the solution? B)How many mL per hr will the flow rate be set? DA: C)Evaluation

Directions: Calculate the IV medication and infusion rates.Use a calculator for safe dose range calculations,multiplication,and long division as desired.Verify results using DE-style equations where requested.If the order is unsafe,do not proceed with the math.Label answers. Ordered: oxytocin drip,1 milliunit per min Infusing: oxytocin drip at 6 mL per hr Available: A)How many units of Pitocin are contained in 1 mL, according to label? B)How many milliunits equal 1 unit? How many milliunits equal 10 units? (Recall the meaning of the prefix "milli".) C)One mL of Pitocin has been placed in 1000 mL of D₅W.What is the concentration of milliunits per milliliter in the IV solution? DA equation: D)How many milliunits per hour are being infused? DA equation: E)Evaluation: F)How many milliunits per minute are infusing DA equation: G)Evaluation: H)Is the existing flow rate correct? (Do the milliunits per minute being infused match the order?) If not, what flow rate should be set? I)DA equation: J)Evaluation:

Directions: Calculate the IV medication and infusion rates.Use a calculator for safe dose range calculations,multiplication,and long division as desired.Verify results using DE-style equations where requested.If the order is unsafe,do not proceed with the math.Label answers. RX: Lanoxin 0.25 mL direct IV Available: Lanoxin (digoxin)0.5 mg per 2 mL. Dilute to 4 mL SW.Give over 5 minutes. A)How many mL will be given? B)How many calibrations will the mL occupy on the syringe? C)Total minutes to administer: D)Flow rate in seconds per calibration?

Directions: Calculate the IV medication and infusion rates.Use a calculator for safe dose range calculations,multiplication,and long division as desired.Verify results using DE-style equations where requested.If the order is unsafe,do not proceed with the math.Label answers. (11 to 15)

How many approximate calories of dextrose are contained in 1 L of a D₅W solution?

Directions: Calculate the IV medication and infusion rates.Use a calculator for safe dose range calculations,multiplication,and long division as desired.Verify results using DE-style equations where requested.If the order is unsafe,do not proceed with the math.Label answers. Ordered: dopamine infusion at 3 mcg per kg per min,for a patient in shock. Available: dopamine 200 mg per 250 mL D₅W. Patient's weight: 60 kg A)Information requested: Micrograms per hour ordered Calculator result: B)Information requested: Milligrams per hour ordered Calculator result: Milliliters per hour to be administered on infusion pump C)DA equation: D)Evaluation:

Directions: Calculate the IV medication and infusion rates.Use a calculator for safe dose range calculations,multiplication,and long division as desired.Verify results using DE-style equations where requested.If the order is unsafe,do not proceed with the math.Label answers. Ordered: A medicated IV infusion at 0.5 mg per minute.Available: Drug Y 500 mg in 100 mL.LRS. A)What will the flow rate be in mL per hr? B)DA: C)Evaluation:

Directions: Calculate the IV medication and infusion rates.Use a calculator for safe dose range calculations,multiplication,and long division as desired.Verify results using DE-style equations where requested.If the order is unsafe,do not proceed with the math.Label answers. Ordered: A medicated IV infusion at 3 mg per minute.Available: Drug Y 1500 mg in 1000 mL of D₅NS. A)How many mg per hr will be administered? B)How many mg per mL will be in the IV? DA: Evaluation:

Directions: Calculate the IV medication and infusion rates.Use a calculator for safe dose range calculations,multiplication,and long division as desired.Verify results using DE-style equations where requested.If the order is unsafe,do not proceed with the math.Label answers. Ordered: magnesium sulfate 2.5 g per hr IV infusion,for a patient with toxemia Existing infusion rate when nurse arrives on shift: 75 mL per hr Available: magnesium sulfate (refer to label)diluted in 500 mL D₅W A)Number of milliequivalents per milliliter stated on label: B)Number of milligrams per milliliter stated in fine print on right side of label: C)Total number of grams of magnesium sulfate in 50-mL vial: Number of grams per hour infusing on the infusion pump: D)DA equation: E)Evaluation: Ordered infusion rate: F)DA equation: G)Evaluation: H)Decision:

Directions: Calculate the IV medication and infusion rates.Use a calculator for safe dose range calculations,multiplication,and long division as desired.Verify results using DE-style equations where requested.If the order is unsafe,do not proceed with the math.Label answers. Ordered: A medicated IV infusion with drug Y at 2 mg per minute.Available: Drug Y 1 g in 1000 mL of NS. A)What will the flow rate be in mL per hr? B)DA: C)Evaluation

What are the typical contents of a TPN solution?

Directions: Calculate the IV medication and infusion rates.Use a calculator for safe dose range calculations,multiplication,and long division as desired.Verify results using DE-style equations where requested.If the order is unsafe,do not proceed with the math.Label answers. Ordered: dobutamine 2.5 mcg per kg per min Available: 500 mL D₅W Patient's weight: 80 kg A)Information requested: Micrograms per minute ordered Calculator result: B)Information requested: Micrograms per hour ordered Calculator result: C)Information requested: Milligrams per minute ordered Calculator result: D)Milligrams per hour ordered (Use in final flow rate equation.) Calculator result: Milliliters per hour to be administered on infusion pump: E)DA equation: F)Evaluation:

Directions: Calculate the IV medication and infusion rates.Use a calculator for safe dose range calculations,multiplication,and long division as desired.Verify results using DE-style equations where requested.If the order is unsafe,do not proceed with the math.Label answers. Ordered: A medicated IV at 3 mcg per kg per minute.Available IV: D₅W 1000 mL with 500 mg of Drug Y. Patient weight: 50 kg A)What flow rate will you set in mL per hr to the nearest tenth of a mL? DA: B)Evaluation:

Directions: Calculate the IV medication and infusion rates.Use a calculator for safe dose range calculations,multiplication,and long division as desired.Verify results using DE-style equations where requested.If the order is unsafe,do not proceed with the math.Label answers. Ordered: aminophylline IV infusion,for a patient with asthma. Infusing: aminophylline at 33 mL per hr Available: IV of 500 mL of D₅W with the contents of the vial shown here Patient's weight: 110 kg The nurse has withdrawn 20 mL of D₅W and added the medication to make a total volume of 500 mL. How many milligrams of aminophylline is the patient receiving per hour? A)DA equation: B)Evaluation:

Directions: Calculate the IV medication and infusion rates.Use a calculator for safe dose range calculations,multiplication,and long division as desired.Verify results using DE-style equations where requested.If the order is unsafe,do not proceed with the math.Label answers. Ordered: A medicated IV at 6 mcg per kg per minute Patient's weight: 176 lb A)Estimated wt.in kg: B)Actual wt.in kg: C)mcg per hour ordered D)mg per hour ordered

Directions: Calculate the IV medication and infusion rates.Use a calculator for safe dose range calculations,multiplication,and long division as desired.Verify results using DE-style equations where requested.If the order is unsafe,do not proceed with the math.Label answers. Diltiazem hydrochloride IV maintenance drip infusion has been ordered for a patient diagnosed with atrial flutter,who was treated on admission with a bolus IV dose to lower the ventricular pulse rate. Order: Titrate the diltiazem HC1 at 5-15 mg per hr to maintain a ventricular pulse rate 90 beats per minute (bpm).Increase by increments of 5 mg per hr Available: diltiazem hydrochloride 100 mg per 100 mL NS A)With what IV dose in mg per hr will the nurse initiate the infusion? B)Estimated initial flow rate on an EID: C)DA equation for flow rate: D)Evaluation: The patient's ventricular pulse rate is 100 bpm at the end of the first hour. E)IV dose in mg per hr to be administered: F)Estimated flow rate: G)DA equation for flow rate: H)Evaluation:

How many grams of dextrose are contained in 1 L of a D₅W solution?

Directions: Calculate the IV medication and infusion rates.Use a calculator for safe dose range calculations,multiplication,and long division as desired.Verify results using DE-style equations where requested.If the order is unsafe,do not proceed with the math.Label answers. Ordered: medicated IV at 4 mcgper kg per min. Patient's weight: 50 kg. A)Information requested: Micrograms per minute ordered Calculator result: B)Information requested: Micrograms per hour ordered Calculator result: C)Information requested: Milligrams per hour ordered Calculator result: