Hepatitis Pattern Flashcards
Which hepatitis was originally known as infectious hepatitis and is highly contagious via fecal-oral route?
Hepatitis A
What antigen indicates a current HAV infection?
HAV-Ab IgM or Anti-HAV IgM
What is present without Anti-HAV IgM, indicates a previous HAV infection (it may have been subclinical), or recent vaccination for Hep A?
HAV-Ab IgG or Anti-HAV IgG
Which hepatitis was originally known as serum hepatitis?
Hepatitis B
When is the incubation period for Hepatitis B?
60-90 days
How is Hepatitis B transferred?
saliva and blood
What is defined as abnormal liver tests as well as the antigen’s presence?
Chronic hepatitis
What demonstrates an abnormal liver biopsy?
Chronic Active Hepatitis
What demonstrates a normal liver biopsy?
Chronic Persistent Hepatitis
What is the marker of current Hep B infection?
HBsAg
What is the marker of recovery and immunity?
Anti-HBs
What are the key markers for Chronic Hepatitis B?
HBsAg continues to be present for > 6 months
Anti HBs is not detected
Anti HBc is typically present
HBeAg is a marker for HBV replication
What is the key marker for Hepatitis C?
Anti-HCV
What confirms active HCV infection?
HCV-RNA