Nitrogen Balance

Calorie req, N2 balance

- Nitrogen Intake. 30-40 kcal/kg/day

- Severe stress, 40-50 kcal/kg/day

Nitrogen balance = Protein in - Protein out (in gm).

Urine urea nitrogen in 24 h urine.

- Convert into gm of protein by using

(Urinary nitrogen in gm/24 h + 4) 6.25.