hep A Flashcards
spread - hep A
fecal-oral route
food etc in travellers
CF - hep A
- jaundice
2. hepatosplenomegaly
comp - Hep A
- does not increase risk of hepatocellular carcinoma
2. no chronic disease
spread hep B
infected blood or bodily fluids
comp hep - b
- chronic hep - glass-ground hepatocytes on light microscopy
- hepatocellular carcinoma
mx - hep B
pegylated interferon - alpha
first marker after hep B infection?
HBsAg - first marker to appear and causes production of anti-HBs
- HBsAG for < 6 months
2. HBsAG for > 6 months
- acute hepatitis B
2. chronic hepatitis B
what does anti-HBs mean
- positive - immunity via infection or vaccination
2. negative - chronic disease
what does HbeAg indicate?
breakdown of core antigen - marker of infectivity
Hep C - spread
IV drug use / blood borne
Diagnosis of hep C
HCV RNA
what does anti-HCV indicate?
Hep C antibodies which will remain even after indivisual has cleared the investction
chronic hep C -
- cirrhosis
2. hepatocellular carnicoma
Mx - hep C
protease inhibitors - end in ‘vir’