> Calorie/Protein Requirements
Calorie/Protein Requirements
| Condit. | Calories (kcal/ kg/d) |
Protein (gm/ kg/d) |
| Resting state |
20-30 | 0.8-1 |
| Uncomp postop |
25-35 | 1-1.3 |
| Depleted | 30-40 | 1.3-1.7 |
| Hyper- metabolic |
5-45 | 1.5-2 |
Calorie/Protein Yields
| 1 Gm protein |
4 kcals |
| 1 Gm fat | 9 kcals |
| 1 Gm dextrose |
3.4 kcals |
| 1 Gm nitrogen |
6.25gm protein |
Electrolyte Requirements
| Salt | mEq/day |
| Sodium | 60-120 |
| Potassium | 60-120 |
| Chloride | 100-150 |
| Magnesium | 10-24 |
| Calcium | 10-20 |
| Phosphate | 20-50mM |
| Sulfate | 10-24 |
| Acetate | 60-150 |
| Bicarbonate | incomp |
Adult Fluid Requirements
Adult Energy Requirements
1. Basal Energy Expenditure (BEE)
2. Activity Factors:
| confined to bed | 1.2 |
| out of bed | 1.3 |
2. Injury Factors
| minor surgery | 1-1.1 |
| major surgery | 1.1-1.2 |
| mild infection | 1-1.2 |
| moderate infection |
1.2-1.4 |
| severe infection |
1.4-1.8 |
| skeletal trauma |
1.2-1.36 |
| head injury (on steroids) |
1.6 |
| blunt trauma | 1.15-1.35 |
| burns <20% BSA |
2 |
| burns 20-30% BSA |
2-2.2 |
| burns >30% BSA |
2.2 |
3. Total Daily Energy Expenditure