INFUSION OF (TPN )TOTAL PARENTERAL NUTRITION AND INTRALIPIDS CALCULATION.NURSES RESPONSIBILITIES.

TPN means total parenteral nutrition. Follow your facility policy and procedures.

1.The doctor orders TPN 2000ml(Total parenteral nutrition )to be infused in 24hours. What rate will the Registered nurse infuse it per hour?.

solve : 2000÷ 24 = 83.3 .

Answer= 83ml/hour.

( It is ordered in hours,so you don’t need to convert to minutes. Simply divide amount by hours)

2.The doctor orders TPN 1656ml for Mr Johnson who has difficulty to swallow and cannot tolerate ngt feeding to infuse over 24hours. What will be the hourly rate?.

Solve : 1656÷24 =69ml/hour.

Use your calculator.

Answer 69ml/hr.

3.Doctor Seeme orders TPN 1500ml for your 75years old female to infuse in 18hours.At what rate will you infuse?.

Solve:Total amount ÷ by total hours.

Total amount =1500ml.

Total hours = 18hours.

Answer 1500÷18 = 83ml/hour.

4.The doctor orders 180ml of intralipids to be infused over 18hours. At what rate will the Registered Nurse infuse ?.

Solve: 180ml ÷18=10ml/hour.

Answer 10ml/hour.

NB: Most hospitals don’t allow LVN/LPN to infuse TPN or LIPID because it is above their scope of practice.

5. Doctor Seeme orders Intralipids for 80ml to infuse in 18hours. At what rate will the Registered Nurse infuse the intralipids?

Solve: 80ml/18ml = 4.4 you round it up to 4ml/hour.

Answer 4ml/ hour.

NB: Please note that TPN bag must be discarded after 24hours that is the “Gold Standard”. Even if you have 500ml left in the bag.After 24hours a new bag is prepare by pharmacy according to doctor orders.

Nursing Responsibilities.

  1. Hang the TPN as ordered with the correct tubing. If you are not sure ask questions. ( Asking questions does not take away your intelligence or beauty. You are still cute.So ask question when in doubt. )
  2. Check the laboratory results.
  3. Check blood sugar every 6hours and notify the doctor for any changes.
  4. Call and remind the pharmacy to prepare the TPN.Some pharmacist might be too busy to remember. They have crazy days too.
  5. Educate your patients and encourage them to ask questions and verbalize their concerns.
  6. Monitor intake and output.
  7. Timing: Hang the TPN on time.In most facilities, it is hang at 1800.
  8. You need a central line or picc line for TPN because of the viscosity of TPN. You can use 16guage,18guage or 20guage for Peripheral Parenteral nutrition. (PPN).Please follow your facility policy and procedures.

Change the central line or picc line dressing per facility policy and procedures.

Published by edochie99

A Registered Nurse with over twenty years of hospital experience, an author with Masters Degree in Nursing,also Bachelor Degree in Nursing,graduated in 1996 from USC,University of Southern California.MSN in 2009 University of Phoenix.

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