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What is the amount of dextrose in mg/kg/min provided by the following TPN for a 60 kg patient? Round to 1 decimal place, do not enter units.

- Dextrose (70%): 320 g
- Amino acids (8.5%): 92 g
- Lipids (10%): 44 g
- Sodium chloride: 60 mEq
- Sodium acetate: 40 mEq
- Sodium phosphate: 15 mmol
- Potassium chloride: 80 mEq
- Potassium acetate: 30 mEq
- Calcium gluconate: 18 mEq
- Magnesium sulfate: 8 mEq
- Multivitamins: 10 mL
- Trace elements: 1 mL

Total volume: 2640 mL
Rate: 110 mL/hr

The correct answer is: 3.7

Answer :

Final answer:

To calculate the amount of dextrose in mg/kg/min, divide the amount of dextrose in grams by the patient's weight in kilograms and by the infusion time in minutes. The amount of dextrose in mg/kg/min provided by the TPN for a 60 kg patient is 53 mg/kg/min.

Explanation:

To calculate the amount of dextrose in mg/kg/min, we need to first find the total amount of dextrose provided by the TPN. The dextrose content is given as 70% and the total volume of the TPN is 2640 mL. So, the amount of dextrose in grams is 70% of 2640 mL, which is 1848 g.

Next, we divide the amount of dextrose in grams by the patient's weight in kilograms and by the infusion time in minutes, which is given by the rate: (1848 g / 60 kg) / (110 mL/hr * 60 min/hr) = 0.053 g/kg/min.

Finally, we convert the amount of dextrose in grams to milligrams by multiplying by 1000: 0.053 g/kg/min * 1000 mg/g = 53 mg/kg/min. Rounded to 1 decimal place, the amount of dextrose in mg/kg/min provided by the TPN for a 60 kg patient is 53 mg/kg/min.

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