6.3 Feces (Types of Diarrhea) Flashcards
Cause:
Increased secretion of water and electrolytes( Infection)
a. Secretory
b. Osmotic
a
Cause:
Water and electrolyte retention in the large intestine (Maldigestion / Malabsorption)
a. Secretory
b. Osmotic
b
Output: >200g
a. Secretory
b. Osmotic
a
Output: <200g
a. Secretory
b. Osmotic
b
pH: <5.3
a. Secretory
b. Osmotic
b
pH: >5.3
a. Secretory
b. Osmotic
a
Fecal Na: >90 mmol/L
a. Secretory
b. Osmotic
a
Fecal Na: <60 mmol/L
a. Secretory
b. Osmotic
b
OG: <50 mOsm/Kg
a. Secretory
b. Osmotic
a
OG: >75 mOsm/Kg
a. Secretory
b. Osmotic
b
Common tests: Stool culture, fecal leukocytes
a. Secretory
b. Osmotic
a
Common tests: Fecal fats, luscle fiber, trypsin, CLinitest, D-xylose
a. Secretory
b. Osmotic
b
Distinguish Maldigestion vs malabsorption
D-xylose
Specimen for D-xylose in urine?
5h urine