viral hepatitis Flashcards
what are the 5 types of viral hep
Hep A-E
how is hep A spread
feacal-oral transmission, overcrowding, poor hygiene, gays, drugs IV and teens
what is the gold investigation for Hep A
clotted blood for serology, Hep A IgM
how can Hep A be controlled
vaccines and hygiene
where is Hep E more likely to be found
tropics, but more common in UK compared to Hep A
how is Hep E passed on
faecal-oral, zoonoses, pigs
is there a vaccine for Hep E
no
are Hep A and E chronic or acute
acute, Hep E can be chronic in immunocompromised
how is Hep B passed on
blood to blood, eg mother to child, sex, IV drugs
what surface antigen is always found in Hep B
HBaAG
how long does HBaAG need to be in blood before declared chronic
6 months
in highly contagious individuals what is found in blood
Hep B e antigen and Hep B virus DNA
what is found in immune patients
anti-HBs
what is treatment options for Hep B
suppressive anti-viral drugs eg entecavir and peginterferon
when is Hep D seen
only with Hep B, exacerbates Hep B