L4: Chronic Viral Hepatitis & Cirrhosis Flashcards
(67 cards)
Characters of The Liver
Functions of The Liver
Def of chronic hepatitis
- Inflammation of the liver.
- Persistence more than 6 months → chronic
Cause of Chronic Hepatitis
Etiology of Viral Hepatitis
Compare between Hepatitic viruses in terms of:
- Trnasmission
- Classification
- Antigens
- Incubation Period
- Severity/Chronicity
- Vaccine
MOT of HBV
HBV is transmitted hematogenously and sexually.
HBV Patients can have either an acute symptomatic disease or an asymptomatic disease.
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antigen-antibody system in HBV
HBs Ag
- The marker of infectivity.
- It can be found in blood and body secretions: salive, urine, semen, vaginal secretion, tears, sweat.and breast milk.
Anti-HBs
- Protective antibody.
- can persist for many years
- Appears after HBAg disappearance several weeks (or months).
HBc Ag
A marker of replication.
Anti-HBc IgM
A marker of acute infection and acute attack of chronic infection.
Anti-HBc IgG
A marker of past infection.
Hbe Ag
A marker of active replication.
Anti-Hbe
A marker of reduced infectivity.
HBV-DNA
- The direct indicator of HBV infection
- It can integrate into the genome of hepatocytes.
Dx of HBV
- Clinical picture.
- Laboratory investigations.
- Radiological investigations.
- Pathological investigations.
CP of HBV
- Persistent / intermittent fatigue
- Upper right quadrant pain
- Jaundice
- Weakness
- Anorexia
- Muscle & joint pain
- Often asymptomatic
If progressive liver disease, the following symptoms may appear
Signs of chronic liver disease include the following:
Lab tests for HBV
Radiological tests for HBV
Complications of HBV