Liver Flashcards
Hep B serology - what would show an active infection?
HbsAg positive (the antigen is measurable), this would be present in both acute and chronic infections
Hep B serology - what would show recent infection?
IgM antibody anti HBc (immune system produced acute antibodies), this would be present in recent acute infection
Hep B serology - has the patient ever had an infection?
anti HBc (hep B core antibody) indicates the patient has a current or past infection of hep B
Hep B serology - what antibody represents immunity?
anti-HBs (hep b surface antibody) indicates the patient has immunity from an infection or vaccine
What would a patient who has been vaccinated for Hep B have?
anti-HBs
What does HBsAg show?
active infection (acute or chronic)
What does anti-HBc IgM show?
recent acute infection
What does anti-HBc show?
the patient has had a hep B infection
What does anti-HBs show?
the patient is immunised by either a vaccine or infection