Remember, a % solution is grams/100 ml!
An adult patient (95 kg) is recovering from GI tract surgery and is fed parenterally. They require 25 kcal/kg/day of calories with 50% of those calories from carbohydrates for them to recover. They will be fed with a D50NS solution.
How many calories does the patient require?
How many of the calories above are from carbohydrates?
How many grams of dextrose is required to meet their caloric requirements?
What volume of D50NS solution must be infused to provide that many grams of dextrose?
How many mEq of sodium are infused into the patient with the above volume of D50NS (NS=0.9% NaCl, NaCl=58.4 g/mole, Na=23 g/mole)?
Energy required (kcal)
Carbohydrate (kcal)
Amount of dextrose
Volume of D50W
Sodium added (mEq)
(grams)
(ml)
The patient required 1.0 g/kg/day of protein. They will be fed with a 30% lipid solution and a 20% protein solution.
How many grams of protein must be provided to this patient?
How many calories does the patient receive from that much protein?
How many calories of fat must be provided to this patient?
What volume of a 30% lipid solution must be infused into the patient (use caloric density in kcal/ml: notes)?
What volume of a 20% protein solution must be infused into the patient?
Protein
Protein (kcal)
Fats
30% Lipid soln (ml)
20% Protein soln (ml)
(grams)
(kcal)