Nutrition final exam Flashcards
IBW men
50kg + 2.3 (inches over 60)
IBW women
45.5kg + 2.3 (inches over 60)
NBW
IBW + 0.25(ABW - IBW)
Caloric requirements
25-30 kcal/kg/day or
TEE=REE x 1.2
what is the respiratory quotient values
less than 0.85 –> underfeeding
over 0.95 –> overfeeding
fluid requirements
30-40 mL/kg/day
regular protein requirements
1-1.5 gm/kg/day
severe stress protein requirements
1.5-2 gm/kg/day
what percentage dextrose and fat should NPCs
70% dextrose and 30% fat
when to use 100% dextrose for NPC
during sepsis or blood stream infections
risk factors for malnutrition
20% below IBW
involuntary weight loss
NPO > 7 days
gut malfunction
mechanical ventilation
what is marasmus
decreased intake
muscle wasting
peeling skin, hair loss, edema
what is kwashiorkor
adequate calorie intake/protein malnutrition
large belly, diarrhea, decreased muscle mass
prealbumin dec, CRP increased
inflammation
prealbumin dec, CRP normal
malnutrition
what is the goal nitrogen
+3 to +5
Nitrogen balance
N in - N out
N in equation
24 hr protein intake (g)/6.25
N out equation
24hr UUN (g) + 4
how to convert g Nitrogen to g Protein
g N x 6.25
when is PN indicated
prolonged NPO > 7 days
ileus
small bowel
fistulas
vomiting/diarrhea
fistulas
pregnancy emesis
how many calories is 1g of protein
4 kcal
how many calories is 1g of carbs
3.4 kcal
how many calories is 1g of protein
10 kcal
what is the chloride acetate split in TPNs
2/3 chloride and 1/3 acetate
how to convert phos to meq
0.3mmol/kg and then 1mmol phos = 1.4meq phos
when to use enteral nutrition
gut works –> use it
