3.3 nutrition Flashcards
what is the estimate of BMR for a normal, unstressed patient?
25 kcal/kg/day
how many kcal/g is fat?
9 kcal/g
how many kcal/g are carbs?
3.4 kcal/g
how many kcal/g is protein?
4 kcal/g
what are essential amino acids needed for in the body?
inflammatory mediators (PGs, leukotrienes, and thromboxanes)
what is the ideal non-protein calories/grams nitrogen ratio?
150:1
what are the daily protein needs of a patient?
0.8 g/kg
what percentage of total kcals should fat be?
30-40%
what is the main fuel source for the heart?
FAs/phospholipids
what is the main fuel source for the brain?
glucose
what % solution is dextrose usually?
70%
what % solution are phospholipids usually?
20%
what % solution are proteins/AAs usually?
15%
what is the normal urine output for everyone?
0.5-1 cc/kg/hour
how do you calculate fluid requirements?
100 cc/kg for 1st 10 kg +
50cc/kg for next 10kg +
20cc/kg for the remaining kgs
what is the calculation for a fluid bolus?
20cc/kg of body weight
what are the most common deficiencies?
protein, iron, B12, folate, thaimine (B1)
what are the most common deficiencies in gastric bypass?
B12, iron, fat soluble vitamins, thiamine (b1)
what is the estimated BMR for someone with severe metabolic stress? moderate?
35 kcal/kg/day
30 kcal/kg/day
what is the calorie count for most enteral formulas?
1 kcal/cc
what is the respiratory quotient formula?
RQ= CO2 eliminated/O2 consumed
what is the RQ for carbs?
1 (will make CO2 worse in people retaining CO2)
what is the RQ for protein?
0.8-0.9
what is the RQ for fat?
0.7
