Liver Symposium - key features/sparse cards Flashcards
Type of visuses: ABCDE and whyat type of disease do they causde
A and E are enteric viruses causing self limiting infections
B, C and D are parenteral viruses causing chronic disease
What test for hep A? How is it tspread?
Hep A Test is IgM (current infection).
Spread faecal, oral, sexual.
Vax for travellers/people in high risk countries (middleearth)
wHICH antigens PRESENIN hEP b. How do we test?
HBsAg (surface antigen) - presence of viral shell (may or maynot be active
HBeAg - active replication
HBcAG - detected in liver, C ore antigen - active replication
DNA - active replication
wHAT HAPPENS IF YOUHAVE HEP b
Some people kill it all off, some people have chronic infection and are asymptomatic or no further progression, sometimes progresses to cirrosis which can lead to end stage liver disease
wHEN DO WE TRAT AND WHAT DO WE TREAT hEP b WITH?
HBeAg greater than 2000 IU/ml
Treated with:
Pegylated interferon and oral antiviral drugs (Tenofovir)
hEP c INFECTION PRESENTATION
May only present very late stage with liver cirrhosis
Treatment of Hep C
Direct acting anti-vioral drugs
What is Hep D?
A parasite of Hep B. Very hard to deal with.
Hep E effects
usually self limiting. Increasing recognition in the UK, no treatment or vax available rn.
Effect of sulfonamides, rifampicin, penytoin, diclofenac, disulfiram on liver?
Toxic necrosis
Effect of Methyldopa, nevirapine, ritonavir and minocycline on liver?
Acute hepititis
Oral conraceptine, anabolic steroids and warfarin have what effect on liver?
Cholestasis
Macrolide antibiotics, phenytoin, verapamil, chlorpromazine have what effects?
MINOCYCLINE, NITROFURANTOIN, FENOFIBRATE, METHYLDOPA, PHENYTOIN DICLOFENAC CAUSE WHAT TO THE LIVER?
Chronic hepititis
Oral ontraceptives and dacarbazine can cause what to the liver?
Hepatic vein thrombosis