GI

Question 1

Primary sclerosing cholangitis

Answer 1

Clinical features: fatigue, pruritis
- 90% of pts have underlying IBS, mainly ulcerative colitis

Labs: Aminotransferases

Question 2

Ascites Fluid Characteristics

Answer 2

Neutrophils: 250 peritonitis (secondary or spontaneous)

Total protein: >or= 2.5 (high-protein ascites) - CHF, constrictive pericarditis, peritoneal carcinomatosis, TB, Budd-Chiari syndrome, fungal

or=1.1 (indicates portal hypertension) - cardiac ascites, cirrhosis, Budd-Chiari syndrome

Question 3

Cryptosporidium parvum in AIDS

Answer 3

-Severe clinical course in AIDS patients w/ CD4 count

Question 4

Gilbert’s syndrome

Answer 4

Genetic defect in the promotor region of the UDP glucuronyl transferase gene