STOOL EXAMINATION
Cards (20)
- stool composition 3/4 water and 1/4 solid
- important in relation to stool collection? A. Medications B. Stool containers C. Stool Contamination D. Amount
- Contamination • Soil • Toilet water • Urine
- For routine stool examination (20-30 grams) of formed stools
- 2-3 tablespoons of watery stool specimens.
- Macroscopic examination : COLOR , ODOR , FORM AND CONSISTENCY ,
- Microscopic Examination : RBC , WBC , PARASITES , ARTIFACTS
- direct fecal smears are used for quick screening test to check for any intestinal parasites
- wet mount technique is used to examine stool in its wet state by simply placing cover slip over the drop of wet fecal material
- wet mount technique is most useful for trophozoites which can be observed by their characteristic movement and appearance
- Gaseous (fermentative stool)- mushy with bubble of gas, bulky and frothy- steatorrhea (malabsorption), lactose intolerance
- Flattened or ribbon-like- spastic colitis or obstruction in the lower GIT.
- MUCUS - translucent and gelatinous clinging to the surface of stool. Colitis, carcinoma, dysentery(bloody)
- Gray - mushy and foul smelling seen in Steatorrhea (malabsorption syndrome
- Black or tarry- iron supplements, charcoal, digested blood, bleeding in the Upper GIT (ulcers)
- Bright red - bleeding in the lower GIT, tomatoes
- Clay or putty- obstructive jaundice(abs. of urobilin), excess fat in pancreatic disease, barium-X-ray exam
- Green - spinach, or unchanged biliverdin (oral antibiotics)
- Yellow - milk, fats, cornmeal, or unchanged bilirubin
- LIGHT TO DARK BROWN DUE TO UROBILIN