IV Therapy Calculations

  1. Mr. Adams is S/P Radical Retropubic Prostatectomy (RRP), POD#1. He has D5W.45%NS + KCL 20mEq/L infusing at 125cc/hour. How many hours will a 1-Liter IV bag last?
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  3. Mr. Adams has an order for IV antibiotics: Cefazolin (Ancef) i gm IV q 8hours x3 doses. The Cefazolin is i g in 50mL D5W. How many ccs/hour do you set the IV pump to infuse the medication over 20 minutes?
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  5. Ms. Jones is S/P cystectomy with ileal conduit, POD#2. She has Famotidine (Pepcid) 20mg IV q12 hours. The Famotidine is 20mg in 50mL D5W. How many ccs/hour do you set the IV pump to infuse the medication over 15 minutes?
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  7. Why is an H2-receptor blocker prescribed to patients who have had major surgical procedures such as Ms. Jones?
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  9. Gentamicin (Garamycin) 80mg IV q 8h is prescribed. The medication comes in a 100-mL IV bag. How many ccs/hour will you set the IV pump to infuse this medication over 60minutes?
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  11. Aminoglycosides (e.g., gentamicin) are potentially nephrotoxic and ototoxic. What specific lab tests are used to monitor for nephrotixicity when a patient is receiving gentamicin?
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  13. Ms. Abramson had emergency left hemicolectomy for ruptured diverticulum. She is POD#2. The physician has ordered a bolus of 500mL of 0.9%NS over 1 hour for a low urine output. How many ccs/hour will you set the IV pump to infuse this bolus?
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  15. Mr. Chen is npo and has parenteral nutritional therapy for treatment of a duodenal fistula. He has parenteral nutritional fluids infusing at 1500ccs per day. How many ccs per hour will you set the IV pump?
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  17. Physician order: Ciprofloxacin (Cipro) 400mg IV q12h. Drug available: Cipro 400mg in 200mL D5W. How many ccs/hour will you set the IV pump to infuse this medication over 60 minutes?
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  19. Physician order: Piperacillin Tazobactam (Zosyn) 3.375 gm IV q 6h. Drug available: Zosyn 3.375gm in 100mL D5W. How many ccs/hour will you set the IV pump to infuse this medication over 30 minutes?

 

 11.   Mr. Richards is admitted for LV heart failure. The physician orders Furosemide (Lasix) 40mgIV           push. Lasix is available 10mg/mL. How many mLs do you prepare? What is the rate of                  administration to give this medication IV push?

 12.  Which electrolytes do you monitor when giving Lasix?

 13.  Give approximate time of onset of action for Lasix IV push?

 14.  Mr. Richards had a mitral valve replacement (MVR). He is on a continuous IV infusion of               Heparin (Heparin drip). His Heparin is infusing at 900u per hour. The IV bag is labeled              Heparin 25,000 units in 250mL D5W. How many ccs per hour will you set the IV pump?

 15.  Physician order: Metronidazole (Flagyl) 500mg IV q6h. Drug available: Flagyl 500mg in 50mL            .9%NS. How many ccs per hour will you set the IV pump to infuse over 30 minutes?

 16. Calculate the gtt/min for an IV infusing at 80cc/h using tubing that delivers 20gtt/mL.

 

Answers