Hepatitis Flashcards
What are the most important cases of viral hepatitis in the UK?
A, B,C ,E
What is the most obvious sign of hepatitis?
Jaundice
What are the clinical features of HAV?
Mild disease
Fever, malaise, anorexia, nausea, vomiting, upper abdominal pain
Jaundice
Dark urine
What is the management of HAV?
Supportive
Killed virus vaccine
What are the clinical features of acute HBV?
Anorexia, lethargy, nausea, fever, abdominal discomfort
Dark urine, jaundice
What are the 3 viral forms of HBV?
HBsAg- surface antigen
HBcAg- core antigen
HBeAg- āeā antigen
What are the routes of HBV transmission?
Vertical- perinatal
Horizontal- sexual, parenteral (needlestick injury)
What are the clinical features of chronic HBV?
Persistence of HbsAg in the serum for more than 6 months
More common in males and immunodeficient
At risk of long term sequelae e.g. chronic liver disease
What are the preventative measures for HBV?
Immunisation
Infection control procedures
Screening of blood and transplant donors
What are the clinical features of HCV?
Mild disease
Severe hepatitis and jaundice can occur
Chronic infection develops in most
No diagnostic test as it is an RNA virus
What are the clinical features of HDV?
Co infection with HBV or superinfection with HBV
In both, the illness is more severe than HBV alone
How do you distinguish coinfection and super infection?
High levels of anti-HBc IgM in co infection
What are the clinical features of HEV?
Clinically resembles HAV
Mild illness in women and young people, more severe in elderly men