Hepatitis Flashcards
What is the only type of hepititis that is a DNA virus?
Hepatitis B
What type(s) of hepatitis are transmitted through food and water?
Hepatitis A
Hepatitis E
What are the chronic strains of hepatitis?
B and C
What are the ‘at risk’ groups for Hep A and Hep E?
travellers
gay men
animal contact (Hep E)
endemic in countries with poor sanitation
How are Hep B and Hep C passed from person-to-person?
blood borne virus
blood transfusion, IV drug use (sharing)
vertical (mother to child)
sexual
What are the clinical features of acute hepatitis?
Symptoms - fever, nausea, diarrhoea
Signs - jaundice, tender enlarged liver
What are some complications of chronic viral hepatitis?
liver fibrosis/cirrhosis
end stage liver disease
hepatocellular carcinoma
How can Hepatitis C be prevented?
safe sex
avoid needle/syringe sharing
screen/viral inactivation of blood products for transfusion
NO HEPATITIS C VACCINE
How can Hepatitis B be prevented?
Same as Hepatitis C
Hepatitis B vaccination
Would type of viral hepatitis would wearing gloves be recommended for?
B and C
can be spread through blood and bodily fluids (BBV)
What does this serological test result indicate?
acutely infected
+ve HBsAg indicated an infection
+ve IgM suggests it is acute
What does this serological test result indicate?
the individual is susceptible to hepatitis
not protected by immunisation -ve anti-HBs
not currently infected -ve HBsAg
Does this serological test result indicate?
Anti-HAV IgM
indicates recent infection of Hepatitis A
Anti HAV IgG indicates past infection
IgG concentration increases several weeks after infection as IgM decreases
What are the serological test indicators of an acute hepatitis B infection?
detection of viral surface antigen (HBsAg)
What are the serological test indicators of a chronic infection?
persistent HBsAg
