GI 3 Flashcards
hep a virus
self limiting, does not become chronic, grants lifelong immunity, transmitted fecal oral by contaminated food or drink, or person to person contact
hepatitis - self limiting, does not become chronic, grants lifelong immunity, transmitted fecal oral by contaminated food or drink, or person to person contact
hep a
hepatitis B virus
can be either acute and self limiting or become chronic; transmission via sexual contact, blood, organs; mother to infant transmission; IV drug use transmission
hepatitis - can be either acute and self limiting or become chronic; transmission via sexual contact, blood, organs; mother to infant transmission; IV drug use transmission
hep B
tx of HBV
usually supportive care; consider antiviral therapy if indicated
hep c virus
can be acute and chronic; transmitted via sharing needles, blood transfusion, needlestick injuries, mother to infant
hepatitis - can be acute and chronic; transmitted via sharing needles, blood transfusion, needlestick injuries, mother to infant
hep c
recommended screening for hep c
one time for all adults 18-79
distinguishes abd wall pain from visceral pain
Carnett’s sign
acute hepatitis B is dx based on the detection of what two serum markers
HBsAg
IgM anti-HBc
patients with hepatitis D are always dually infected with hep what
hep B
initial episode of non severe c diff infection should be treated with either
2
oral fidaxomicin or oral vanco for 10 days
h. pylori positive ulcers - what therapy is recommended for patients with any prior exposure to macrolides for any reason and in areas of local clarithromycin resistance rates
bismuth quadruple therapy - bismuth, metronidazole, tetracycline, PPI
h. pylori positive ulcers - what therapy is used in patients w/o risk factors
clarithromycin, amoxicillin, PPI
serologic hallmark of hep B virus infection
HBsAg
pain that worsens with eating is suggestive of what ulcer
gastric ulcer
dx test for PUD
upper endoscopy
what serum marker represents hep B virus replication and infectivity
HBeAg
serum marker that indicates acute infection with HBV
IgM anti-HBc
which test do you order to confirm that an elevated ALP is from a liver source
GGT
acute diverticulitis is confirmed based on what
abd CT scan w/ contrast
acute diverticulitis should be suspected in patients with what s/sx
3
LLQ abd pain
abd tenderness
leukocytosis
the hallmark symptoms of Crohn’s disease include
4
crampy abd pain
chronic intermittent diarrhea
fatigue
weight loss
mod to severe IBS - for patients with IBS related constipation to have failed a trial with soluble fiber, what can be started
polyethylene glycol
mod to severe IBS - for patients with IBS diarrhea, what are indicated as 1 and 2nd line
1 - antidiarrheals e.g. loperamide
2 - bile acid sequestrants
what is the screening test for hep C infection
anti-HCV
screening test for hep B
HBsAg
screening test for hep A
anti-HAV
stool guaiac test determines what
presence of blood in stool
which med for GERD in patients with erosive esophagitis
PPIs e.g. pantroprazole
