GI Flashcards
Who gets FITT test screening in scotland vs england?
scotland = 50-74 yrs old
england = 60-74 yrs old
which antigen level can be used to monitor patients with colorectal cancer?
carcinoembryonic antigen
when is HepB vaccine given?
2, 3 and 4 months
how is HepB managed?
peg interferon alpha
what does HbsAg indicate?
active infection
what does HbsAb (aka anti-hep B) indicate?
past or current infection or vaccination
what does HbeAg indicate?
high infectivity
what does HbcAb indicate?
past or current infection
- IgM = current acute infection (first marker to rise)
- IgG = past infection
blood markers for Hep B vaccinated person?
HbsAb +ve
everything else -ve
blood markers for past hep B infection?
HbscAb +ve
HbsAb +ve
antigen -ve
blood markers for acute Hep B infection?
HbsAg +ve
HbeAg +ve
HbsAb +ve
HbeAg +ve