Hepatitis Viruses Flashcards
Hepadnavirus is a ___ virus
DNA
DNA virus that causes Hepatitis B?
Hepadnavirus
What does Hepadnavirus cause?
Hepatitis B
HBsAg
Live infection of Hepatitis B
Live infection of Hepatitis B diagnostic
HBsAg
HBsAb
Resolved infection or immune to Hepatitis B
Resolved infection or immune to Hepatitis B
HBsAb
HBeAg
High infectivity of Hepatitis B
High infectivity of Hepatitis B
HBeAg
Anti-HBeAg
Low infectivity of Hepatitis B
Low infectivity of Hepatitis B
Anti-HBeAg
2 options for Anti-HBcAg
IgM and IgG
Anti-HBcAg (+) for IgM means?
New infection
Anti-HBcAg (+) for IgG means?
Old or previous infection
ex. HBsAg (+); HBsAb (-); IgM (+)
Acute infection of hepatitis B
ex. HBsAg (-); HBsAb (+); Anti-HBcAg (-)
Vaccinated against hepatitis B
DNA viruses of hepatitis?
Hepatitis B
RNA viruses of hepatitis?
Hepatitis A, C, D, E
Which hepatitis viruses are spread via enterics (fecal/oral/contaminated water)?
Hepatitis A and E
Which hepatitis viruses are spread via parenteral (sex, blood, needles, placenta)?
Hepatitis B, C, D
What does transmission of Hepatitis D require?
Hepatitis B!
What hepatitis viruses cause Acute Viral Hepatitis and what are the symptoms?
Hepatitis A
= Jaundice, vomiting, fatigue
What hepatitis viruses cause Fulminant Viral Hepatitis and what are the symptoms?
Hepatitis B AND D together
= Rapid, sever hepatitis
What hepatitis viruses cause Chronic Hepatitis and what are the symptoms?
Hepatitis B, C, D and Genotype 3 of E
= Asymptomatic; RUQ pain and fatigue
What hepatitis virus does NOT cause Chronic Hepatitis?
Hepatitis A
What can Chronic Hepatitis lead to?
Cirrhosis
Hepatocellular Carcinoma
