Mention outcomes of hepatitis B virus infection? Outcome of hepatitis B virus infection: 1.Subclinical infection => Recovery 2.Acute hepatitis => ==>Recovery ==>Fulminant hepatitis à Death 3.Chronic carrier:=> ==>Asymptomatic/ healthy carrier ==>Chronic active hepatitis leads to …Read More Read More

What is window period in case of hepatitis B? How can you diagnose acute hepatitis B in this period? Window period:             During infection by HBV, there is a period of several weeks, then HBsAg …Read More

Question: Give interpretation:( Hepatitis B: Case-1) HBsAg +ve Total anti-HBc positive IgM anti-HBc negative Interpretation: Chronic hepatitis Give interpretation: (Hepatitis B: Case-2) HBsAg (-)ve, Anti-HBs (+)ve HBsAg (-)ve, Anti HBs (+)ve, Anti HBc (+)ve  Interpretation: …Read More

What are the serological markers of hepatitis B infection? Serological markers of hepatitis B virus infection: Detection of Ag in the serum: HBsAg HBeAg Detection of Ab in serum: Anti HBcIgM Anti HBsIgG  [mnemonic: sG= …Read More

Name the antigens present in HBV virion. Mention their importance. Antigens present in HBV virion: 1)      HBsAg 2)      HBcAg 3)      HBeAg [ N:B: Detection of Ag in serum: HBsAg, HBeAg ] Importance of Hepatitis B …Read More

Mode of transmission of Hepatitis B Virus? Short Answer: Through Blood and Blood Products Actual Answer: Parenteral Transmission: Blood and Blood products Contaminated needles Contaminated syringes and surgical instrument. Drug abusers.   Perinatal transmission/ vertical …Read More

How can you diagnose a case of acute hepatitis A infection in the laboratory? Diagnosis of Hepatitis A infection in the laboratory: Detection of antiHAV(IgM) is the most important. A-4 fold rise of IgG antibody …Read More