Student Nurse Laura

Orem – "creative effort of one human being to help another human being."

TPN questions

Posted by Laura on January 31, 2011

1. You are hanging a 1 L bag of TPN which contains 40% Dextrose, 8.25% Aminosyn which is supplied in a 50/50 ratio. You are infusing it at a rate of 100 mL/hr. You put the bag up at 0900 but had to stop the feeding at 1100 to 1200 due to other procedures for your patient. The feeding continues through the day. Your shift ends at 1900 and you need to figure out your I/Os. How many mL of TPN did they get? What was their caloric intake? If the doctor had prescribed some 10% Lipids to run for 12 hrs at 40mL/hr starting at 1300, what is the total caloric intake now at the end of your shift?

2. If you hang a 1L bag of TPN which includes 8.25% protein, 30% dextrose and 20 % lipids all running at 45ml/hr and is at a 40/40/20 ratio, what is your total calories for the bag?

(hint: 40/40/20 means 40% of the bag is protein, 40% is dextrose and 20% is lipids. 40% of 1000mL is 400mL)

 

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