gastroenterology Flashcards
SAAG - calculation?
serum albumin - ascites albumin
SAAG - what does it tell us?
> = 1.1 : high albumin gradient, indicates portal htn
<1.1 : low albumin gradient, indicates no portal htn
conditions associated w/high SAAG?
- CHF
- cirrhosis
- EtOH hepatitis
conditions associated w/low SAAG?
- peritoneal carcinomatosis
- peritoneal TB
- nephrotic syndrome
- pancreatitis
- serositis
Gilbert syndrome
impaired hepatic conjugation, results in isolated indirect hyperbili
isolated anti-HBc - what are the 3 scenarios?
- acute hepatitis B (anti-HBsAg has fallen, anti-HBs has not yet risen)
- years after recovery from acute HBV once anti-HBs has waned off
- chronic HBV infection when HBSAg has fallen off
if isolated anti-HBc, what send next?
- IgM anti-HBc to see if infection is recent (ie in window period)
- LFTs
does HBV vaccine cause rise in core antibody?
NO only surface antibody
what abx to start for SBP?
cefotaxime
flexible sigmoidscopy should be repeated every __ years if normal?
5
flex sig w/stool testing (YEARLY) should be repeated every __ years if normal?
10
most common auto-antibodies in autoimmune hepatitis?
- ANA
- anti-smooth muscle ab
primary biliary cirrhosis - which auto-antibody?
anti-mitochondrial
what is LFT pattern in primary biliary cirrhosis?
elevated alk phos
if pregnant pt develops biliary colic unresponsive to supportive care, can do cholecystectomy?
yes, in 2nd trimester
