Viral Hepatitis Flashcards
(24 cards)
hat does hepatitis virus cause
liver disease as their chief or sole clinical manifestations
what is the liver involved in
breakdown and excretion of toxins and synthesis of glucose and some proteins
what colour is bilirubin
yellow - causes jaundice
what are the hep viruses
A, B, C, D, E
what is Hep D
only occurs with Hep B
worsens severity of hep B infection
what is acute hepatitis
few weeks hep A, B, C, E jaundice pale stools dark urine
what hep is most common for acute hepatitis
hep E
what are some complications of acute hep
chronic hepatitis
acute liver failure
what is the timescale of chronic hepatitis
atleast 6 months
complications after decades
what causes chronic hep
hep b and C
never hep A
hep E only when immunocompromised
what are the symptoms of chronic hep
early years asymptomatic
complications
- cirrhosis - chronic liver fail
- primary liver cancer
what is a summary of hep A
faecal oral spread
not blood bourne
vaccine prevntable
causes acute never chronic hepatitis
what is a summary of hep E
facial oral spread
not vaccine prvetnabl
causes acute never chronic
caught in UK from animals
how is Hep B and Hep C virus tnasmitted
blood bourne
- IVDU
- blood products
- needlstick
sex
- hep b more than c
mother to child
what re the risk groups for Hep B + C
IVDU - past/current Greater No.sexual partners babies of infected mother ethnic minorities blood product expo
what is the prevention ag hep
reduce expo
use vacciner
what is Hep B prevention measures
clean needles and syringes fro injecting drug users
safe sex
screen blood trnasfusios
vaccine high risk groups and heath care worker
what si some Hep C prevention measures
redue expo as fro Hep B
no vaccine available
how is hep B treated in chronic hep
antivirals
suppressive not curative
lifelong therapy
who is hep C treated in chronic hep
2-3 antivirals cure side effects seen
reinfection possible
how is the risk of hep reached inhelth care
wear gloves mask and eye disposal sharps good sterilisation vacine disinfect surface
what is the lab test fro hepatitis
clotted blood gold top bottle
what is the lab test and hep B virus
see if infection- acute/chronic
HBsAg (HB surface antigen) +ve ppl infectious
HBseAg
what are some lab test for hep C
anti- HCV - in acute and chronic infection
