General GI

Question 1

What are classifications of etiology of diarrhea?

Answer 1

• malabsorptive/osmotic
• secretory
• inflammatory

Question 2

how do you test for celiacs?

Answer 2

• screening test: tTG-IgA (tissue transglutaminase Ab) with pt on gluten diet
• Definitive diagnosis by small bowel biopsy or by note of improvement on gluten free diet

Question 3

what is rome criteria for IBS?

Answer 3

2 of 3:

• abdominal pain relieved with defecation
• abdominal pain associated with increase or decrease in still frequency
• abdominal pain associated with harder or looser stools

Question 4

management for IBS

Answer 4

• fiber modification, macrobiotic diet

Question 5

types of infectious diarrhea

Answer 5

• food poisoning: 2-6 hrs after ingestion (salmonella, norovirus, campylobacter, e. coli, listeria) -> tx supportive
• traveler’s diarrhea: 24-72 hr incubation period. e. coli or viral. tx supportive– abx possible - cipro 500 mg BID x 5 days. Pepto-Bismol can help.
• giardiasis: incubation 10-20 days. giardia lamblia. tx metronidazole 250 mg tid x 7 days
• bloody diarrhea: campylobacteri jejuni, enterohemorrhagic e.coli, Shigella toxin E. coli (STEC), shigella, c. diff

Question 6

what is evaluation for patient with bloody diarrhea

Answer 6

• stool culture
• c.diff assay
• protozoal testing

Question 7

treatment of c. diff

Answer 7

• stop inciting abx

- metronidazole or vancomycin (PO) - 10-14 days