Introduction
Nutritional status of an individual is assessed from following methods:
A) Clinical examinations:
– It utilizes a number of physical signs, (specific & non specific), that are known to
be associated with malnutrition and deficiency of vitamins & micro nutrients.
– General clinical examination, with special attention to organs like hair, angles of the mouth, gums, nails, skin, eyes, tongue, muscles, bones, & thyroid gland
ADVANTAGES
– Fast & Easy to perform
– Inexpensive
– Non-invasive
LIMITATIONS
– Did not detect early cases
Clinical signs of nutritional deficiency:
1.Hair :
a) Spare & thin : Protein, zinc, biotin deficiency
b) Easy to pull out : Protein deficiency
c) Corkscrew Coiled hair : Vit C & Vit A deficiency
- Mouth :
a) Glossitis : Riboflavin, niacin, folic acid, B12 deficiency.
b) Bleeding & spongy gums: Vit. C,A, K, folic acid & niacin deficiency.
c) Angular stomatitis, cheilosis & fissured tongue: B 2,6,& niacin deficiency.
d) leukoplakia : Vit.A,B12, B-complex, folic acid & niacin deficiency.
e) Sore mouth & tongue: Vit B12,6,c, niacin ,folic acid & iron deficiency.
- EYES:
a) Night blindness, exophthalmia : Vitamin A deficiency
b) Photophobia, conjunctival inflammation, blurring: Vit B2 & vit A
- NAILS:
a) Spooning: Iron deficiency
b) Transverse lines: Protein deficiency
- SKIN:
a) Pallor : Folic acid, iron, B12 , Vitamin B & Vitamin C deficiency.
b) Follicular hyperkeratosis, Flaking dermatitis : PEM, Vit B2, Vitamin A, Zinc & Niacin deficiency
c) Pigmentation, desquamation Bruising, purpura: Vit K ,Vit C & folic acid deficiency.
- Thyroid gland :
– Goiter is a reliable sign of iodine deficiency.