Gastroenterology System Review Flashcards
(47 cards)
what does pyrosis mean?
heart burn
what is a positive murphy’s sign?
Palpate the RUQ of the abdomen and if the patient has inspiratory arrest (stops breathing) due to pain then the test is positive.
what is the gold standard diagnostic test for ruling out acute cholecystitis?
US of the abdomen
is left or right sided colon cancer more common?
left-sided colon cancer is more likely
fecal occult blood test (gFOBT) are done how frequently ?
annually or yearly
need 3 specimens
FIT (stool) tests are done how frequently?
yearly or annually
FIT DNA (Cologuard) tests are recommended how frequently?
every 1-3 years
Colonoscopy is recommended how often?
every 10 years
Flexible sigmoidoscopy is recommended how often?
every 5 years
what tests measure the integrity of the liver?
ALT/AST
AST is twice the amount of ALP in what ?
Non-alcoholic fatty liver disease
ALT is much higher than the AST in what?
Viral hepatitis
IgM means what?
acute onset, antibodies to be produced the MINUTE there is an acute infection
IgG means what?
means gone, produced when immune, and infection is GONE
a positive anti-HAV IgM means what?
you are IMMUNE
a positive anti-HAV IgM means what?
you have an acute infection
what is this marker and what does it mean: HBsAg
Hepatitis B Surface Antigen, it means infected currently or in the past
what is this marker and what does it mean: anti-HBs
Hepatitis B Surface Antibody, it means you are immune (either from the vaccine or recovery from the disease)
what is this marker and what does it mean: anti-HBc
Total hepatitis B CORE antibody, this indicates current or previous infection
what is this marker and what does it mean: IgM anti-HBc
Igm antibody to hepatitis B core antigen, acute hepatitis B (less than 6 months of infection)
when you see “core” what should you think?
think infection which could be previous or current
what is the screening test for hepatitis C?
Hepatitis C virus antibody test (HCV antibody)
what is the confirmatory test for hepatitis C?
HCV RNA–this tests for presence of virus (if exposure within the last 6 months or exposure is unknown)
If the HCV antibody test is positive, what is the next step the clinician should do?
Order a HCV-RNA test to confirm presence of virus