Hepatitis Flashcards
Acute hepatitis is usually symptomatic. T/F?
True
How is chronic hepatitis defined?
Hepatitis virus which is present for more than 6 months
Chronic hepatitis is usually symptomatic. T/F?
False - it is usually asymptomatic
What are the routes of transmission of hepatitis virus?
Facial oral route
Blood borne
What can cause hepatitis?
Hepatitis A,B,C,D,E EBV,CMV,t toxoplasmosis leptospirosis Q fever syphilis malaria VHF toxins drugs alcohol autoimmune wilson's disease haemochromatosis
Which strains of hepatitis are RNA viruses?
Hepatitis A,C,D,E
Which strain of hepatitis is a DNA viruses?
Hepatitis B
How is hepatitis A transmitted?
Faecal-oral route and has a human reservoir
There is chronic carriage of hepatitis A. T/F?
False
In what group of patients can there be chronic carriage of hepatitis E?
In immunosuppressed patients
How is chronic hepatitis E treated?
Ribavirin
What is the incubation period for hepatitis A?
30 days
There is good immunity after infection of hepatitis A. T/F?
True
How does age determine the severity of hepatitis A infection?
It is usually symptomatic in children <5 years and is symptomatic in adults
How is hepatitis A infection treated?
No specific treatment as it is self limiting
Maintain hydration and avoid alcohol
What tests will be positive in acute hepatitis A?
IgM positive
Hepatitis A in blood or stool
What test will be positive in previous HAV infection?
IgG
Who is the hepatitis A vaccine given to?
Homosexual men
IVDUs
Chronic liver disease
What type of vaccine is the hepatitis A vaccine?
Inactivated virus vaccine
What can be used as an alternative to vaccination for hepatitis A in those with <4 weeks to travel or those who are vaccine allergic?
Hepatitis immunoglobulin
How can hepatitis E be transmitted?
Faecal-oral toute, pork products, minimal person-to-person spread
In what group of patients is mortality from hepatitis E highest?
Pregnant women
What are the possible neurological complications of hepatitis E infection?
Guillain-barre syndrome
Encephalitis
Ataxia
Myopathy
What genotype of hepatitis E is particularly associated with neurological complications?
GT3