Nutrition Flashcards
(50 cards)
amount of nutrient that results in some predetermined physiologic end point
Estimated Average Requirement
intake deemed to meet the requirement for that nutrient
Recommended Daily Allowance
dietary energy intake predicted to maintain energy balance in a healthy individual
Estimated Energy Requirement
observed/ approx. daily intake of that nutrient
Adequate intake
iron binding whey protein inhibiting E.coli
Lactoferrin
stimulate lipase –> kills G.lamblia & E.histolytica
Bile salt
Water Requirement 0-6 mos: 7-12 mos: 1-3 y/o: 4-8y/o:
0-6 mos: 700ml/24hrs
7-12 mos: 800ml/24hrs
1-3 y/o: 1300ml/24hrs
4-8y/o: 1700ml/24hrs
- Inadequate energy or CHON energy intake
- Failure to gain wt, irritability, wt loss, listlessness, emaciation
- Wrinkled & loose skin, shrunken & wizened face
- Constipated, may have starvation diarrhea
- Muscle atrophy, hypotonia, abdominal distended/ flat
marasmus
- Inadequate CHON intake
- Lack of growth & stamina
- Lethargy, apathy, irritability
- ↓albumin, enlarged liver
- ↑infection, diarrhea, vomiting
- Edema, flabby subcutaneous tissue
- Dermatitis: depigmentation
- Hair: sparse, thin, streaky red/gray
Kwashiorkor
- Initial phase (1-7 days) STABILIZATION PHASE
- Treat dehydration, oral F75, antibiotics - REHABILITATION PHASE (2-6wks)
- Iron therapy, oral F100, antibiotics - FOLLOW UP PHASE
- Catch up growth, emotional & sensory
treatment of SCU
- severe hypophosphatemia <0.5mmol/L
- Weakness,
- rhabdomyolysis
- neutrophil dysfunction
- cardiorespiratory failure
- arrhythmia
- seizure
- death
Refeeding Syndrome
- chronic necrotizing ulceration of gingival & cheek
- Fever, malodorous breath, anemia, leukocytosis & sign of malnutrition
- Preceded by debilitating illness (measles, malaria, TB, diarrhea, ulcerative gingivitis)
- Fusobacterium Necrophorum & Prevotera Intermedia
TX: wound care, Penicillin, Metronidazole
NOMA
Predictor of Obesity
1st: increase BW
strongest: parental obesity
BMI
kg/m2
NV: 18.5 – 24.9
most important metabolite of Vitamin A
retinoic acid
- dry, scaly, hyperkeratotic patches, bitot’s spot
Early: delayed adaptation, photophobia, xerophthalmia
Late: keratomalacia, blindness
Vitamin A deficiency
1500 ug/day (latent deficiency)
1500-3000 ug/day (↓measles morbidity & mortality)
Treatment for Vitamin A deficiency
Adult: 15,000ug
Child: 6,000ug
Acute toxicity: n/v, drowsiness, diplopia, papilledema, CN palsies, pseudotumor cerebri
Subacute/ chronic toxicity: h/a, vomiting, anorexia, dry, itchy desquamating skin, seborrheic cutaneous lesions, fissuring corners of the mouth, alopecia, coarsening of hair, swelling of the bones, liver & spleen enlargement, diplopia, ↑ICP, irritability, stupor, limited motion, desquamation of palms & soles
Radiograph: hyperostosis of several long bones, middle of shaft
Hypervitaminosis A
Early: fatigue, apathy, irritability, drowsy, anorexia, -nausea, poor mental concentration, abdominal discomfort
- Late: peripheral neuritis, loss of vibration sense, leg cramps, heart failure, psychic disturbance, ptosis, optic nerve atrophy, ataxia, ↑ICP, coma, hoarseness & aphonia
- Death: heart involvement
Beriberi
oWet: undernourished, edematous, waxy skin, urine (albumin, cast)
oDry: plump, flabby, hepatomegaly, listlessness
Thiamin (B1) deficiency
dx & tx of Thiamin (B1) deficiency
dx: ↓RBC transketolase activity (best indicator)
Tx: 10mg PO (IV/IM if w/ heart failure)
-Cheilosis (perleche), glossitis, keratosis, conjunctivitis, photophobia, lacrimation, corneal vascularization, seborrheic dermatitis, anemia
Riboflavin (B2) deficiency
dx & tx of Riboflavin (B2) deficiency
Dx: erythrocyte glutathione reductase >1.4
Urine excretion <30ug/d
Tx: 3-10mg/day (2mg TID IM if not effective)
Pellagra:
dermatitis (gloves – hand, pellagrous boot, casal necklace)
diarrhea
dementia
Niacin (B3) deficiency
dx & tx of Niacin (B3) deficiency
Dx: confirmatory test: rapid response to niacin
Tx: 50-300mg/day