21 Malabsorption
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- vitamins, fat, sugars, proteins
- nutrient hangs around and disrupts stool formation
- no bilirubin, fat malabsorption: pale
- osmotic diarrhea: draw water out, dilute concentration
- secretory: secrete Na, water follows
Celiac
- 3 antibodies, and IgA and IgG for each
Symptoms
- gluten first goes to duodenum, thus most commonly affected
- iron absorbed in duodenum
Treatment
Complication
- T involved in pathogenesis
Tropical
Whipple's
Lactose Intolerance
Pancreatic
Bacterial
- nerve damage from blood sugar
- diabetes with new onset diarrhea
- lactulose: sugar molecule not absorbed, laxative, osmotic agent. Bacteria metabolized to hydrogen. Measure hydrogen
Diagnosis
- nl: rise in D xylose
- nl test in lactose intolerance
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