What is hepatitis B PPT?
What is hepatitis B PPT?
Acute Hepatitis B Definition Acute Hepatitis B is an infectious disease caused by hepatitis B virus, which developes within 6 months after entering virus to the organizm. Disease has symptomatic (with jaundice and without jaundice) and asymptomatic course. In >90% of cases acute hepatitis B is self-limited disease.
What are the hepatitis viral markers?
Markers for hepatitis A virus [HAV immunoglobulin M (IgM) and imunoglobulin G (IgG)], hepatitis B [hepatitis B surface antigen (HBsAg), hepatitis B surface antibody (HBsAb) and hepatitis B core antibody (HBcAb)] and hepatitis C virus (HCVAb).
What is hepatitis B introduction?
Hepatitis B belongs to the hepadnaviridae class of viruses. It is transmitted by direct percutaneous or permucosal exposure to infected blood. The hepatitis B infection occurs in adolescents and adults and can lead to acute hepatitis, subclinical infection, or the development of chronic infection.
What is viral hepatitis PDF?
The term Viral Hepatitis is used for inflammation of the liver caused primarily by hepatotrophic viruses which results in similar clinical presentation.
What is normal range for hepatitis B?
For hepatitis B surface antibody (anti-HBs), a level less than 5 mIU is considered negative, while a level more than 12 mIU is considered protective. Any value between 5 and 12 mIU is indeterminate and should be repeated.
How hepatitis B is diagnosed?
Blood tests can detect signs of the hepatitis B virus in your body and tell your doctor whether it’s acute or chronic. A simple blood test can also determine if you’re immune to the condition. Liver ultrasound. A special ultrasound called transient elastography can show the amount of liver damage.
How do you read hepatitis markers?
Interpretation of the test: “past natural infection, infection cleared and anti‐HBs levels have waned over time”. Anti‐HBs only positive means “immunity due to vaccination”. HBs negative, total anti‐HBc positive, IgM anti‐HBc positive and anti‐HBs positive means “recent infection, recovered, immunity achieved”.
What is the agent of hepatitis B?
Hepatitis B infection is caused by the hepatitis B virus (HBV). The virus is passed from person to person through blood, semen or other body fluids. It does not spread by sneezing or coughing.
What are the types of hepatitis?
Causes of hepatitis
| Type of hepatitis | Common route of transmission |
|---|---|
| hepatitis A | exposure to HAV in food or water |
| hepatitis B | contact with HBV in body fluids, such as blood, vaginal secretions, or semen |
| hepatitis C | contact with HCV in body fluids, such as blood, vaginal secretions, or semen |
What is the target organ of hepatitis?
Answer: (a) Hepatitis targets Liver.
What is the best test for hepatitis B?
Blood tests can detect signs of the hepatitis B virus in your body and tell your doctor whether it’s acute or chronic. A simple blood test can also determine if you’re immune to the condition. Liver ultrasound.
What is the best medicine for hepatitis B?
Several antiviral medications — including entecavir (Baraclude), tenofovir (Viread), lamivudine (Epivir), adefovir (Hepsera) and telbivudine (Tyzeka) — can help fight the virus and slow its ability to damage your liver.
What is the first serological marker of HBV infection?
HBsAg (hepatitis B surface antigen) is the first serologic marker to appear in a new acute infection, which can be detected as early as 1 week and as late as 9 weeks, with an average of one month after exposure to the hepatitis B virus (HBV).
What are the most frequent serological markers for hepatitis B?
Serological markers for HBV infection consist of HBsAg, anti-HBs, HBeAg, anti-HBe, and anti-HBc IgM and IgG.