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Acute Liver Disease. Prior State. Normal Other System Disease Chronic Liver Disease. Presentation. Symptoms Not jaundiced Jaundiced Liver Failure Not jaundiced Jaundiced. Hepatocellular. Anorexia nausea vomiting Malaise Fatigue Abdominal Discomfort Transaminases * 8.
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Prior State • Normal • Other System Disease • Chronic Liver Disease
Presentation • Symptoms • Not jaundiced • Jaundiced • Liver Failure • Not jaundiced • Jaundiced
Hepatocellular • Anorexia nausea vomiting • Malaise • Fatigue • Abdominal Discomfort • Transaminases * 8
Cholestatic • Itch • Pain • Alkaline Phosphatase * 3 • Bile ducts dilated
Jaundice • Haemolytic • Cholestatic • Pain • Hepatocellular
Aetiology • Hepatotrophic Viruses • Toxins • Alcohol • Medications
Aetiology • Autoimmune • Metabolic • Hepatoma
Aetiology • Hypoxic Hypoperfusion • Fatty Liver
Pathogen Markers • Pathogen • See • Culture • Genome • Gene product
Host Response • IgM antibodies • IgG antibodies • Cellular Response
HAV Serological Course anti-HAV Symptoms ALT Titre Faecal HAV IgM anti-HAV 4 5 6 12 24 0 1 2 3 Months after Exposure
- Hepatitis A Vaccine • Increased infection risk • travellers to endemic countries • homosexual and bisexual men • drug users • persons with chronic liver disease
- Hepatitis A Vaccine • Endemic areas • routine childhood vaccination
Acute Hepatitis B Infection Symptoms anti-HBe HBeAg HBV DNA Total anti-HBc Titre anti-HBs IgM anti-HBc HBsAg 0 4 8 12 16 24 28 32 52 100 20 36 Weeks
Hepatitis B Becomes Chronic Acute (6 months) Chronic (Years) HBeAg anti-HBe HBV DNA HBsAg Total anti-HBc Titre IgM anti-HBc Years 0 4 8 16 20 24 28 36 12 32 52 Weeks after Exposure
Hepatitis B Vaccine • Household contacts • Sexual partners of HBV carriers • Long term travel to endemic areas
Hepatitis B Vaccine • Healthcare workers • Patients on dialysis • Recipients of blood products • Mentally Handicapped • Patients in institutions • Staff in institutions
Hepatitis B Vaccine • Male Homosexuals • Prostitutes • Heterosexual multiple partners • Persons diagnosed with an STD
Hepatitis B Vaccine • IV drug abusers • Male prison inmates • Prison Staff • Police
Hepatitis B Vaccine • Immigrants* • Adoptees, orphans, unaccompanied minors* *From endemic areas
Perinatal HBV • Hepatitis B vaccine • Within 12 hours of birth • HBIG at a different site • Within 12 hours of birth • Complete vaccination at 6 months • Check response at 9-15 months
Acute HCV Infection anti-HCV Symptoms +/- HCV RNA Titer ALT Normal 6 1 2 3 4 0 1 2 3 4 5 Years Months Time after Exposure
HCV Persists anti-HCV Symptoms +/- HCV RNA Titer ALT Normal 6 1 2 3 4 0 1 2 3 4 5 Years Months Time after Exposure
HEV Infection Symptoms ALT IgG anti-HEV IgM anti-HEV Titre Virus in stool 0 1 2 3 4 5 6 7 8 9 10 11 12 13 Weeks after Exposure