Hepatitis Flashcards
IgM anti-HAV
IgM anti-HAV is usually detectable 5-10 days before the onset of symptoms and can persist for 6 months
IgM anti-HAV
IgM anti-HAV is usually detectable 5-10 days before the onset of symptoms and can persist for 6 months
Hepatitis B incubation phases
prodromal phase
Icteric phase
Sx of prodromal phase
prodromal phase- 3-10 days
fatigue
nausea
diffuse epigastric or RUQ pain
Sx of icteric phase
Icteric phase 1-2 weeks
jaundice
dark urine
gray stools
Hep A serologic testing
IgM
IgM anti-HAV is usually detectable 5-10 days before the onset of symptoms and can persist for 6 months
IgG anti HAV appears early
indicates lifelong protection against the disease
Vaccine available
Serology testing for Hep B
HBsAg
If HBsAG is positive for Hep b what test is completed next
What to do for post exposure to Hep B
most useful if prophylaxis is administered within 24 hours of exposure (HBIG) Hep B immunoglobulin
If a person is NOT vaccinated (or hasn’t completed the series), they can get HBV vaccine and HBIG at the same time, different injection sites.
then complete the vaccine series on schedule
Positive HBeAG
Enormous amount of infectivity….
Active
IgG Anti HBc
I’ve got it and it is Gone
Marker for past or current infection
Anti-HBs
Marker of an immune response to HBV
Remember: my body made an antibody to fight…….(insert virus)
Anti-HBe
may be present in a person who is either infected or immune
e for “either”
(well that is super helpful! You’re telling me it could be either?)
viral load
the concentration of the hep B virus DNA in the blood
Test used to screen for hepatitis B
HBsAg