When is HBIG used?

HBsAg ... HBsAg (also known as the Australia antigen) is the surface antigen of the hepatitis B virus (HBV). Its presence in blood indicates existing hepatitis B ... The hepatitis B surface antigen (HBsAg) test is used to detect the presence of the HBsAg protein on the surface of the hepatitis B virus. This protein is ... The antigenic determinant of the protein moiety of the HBsAg determines specific characteristics of different serotypes and provides the basis of ... Infants born to mothers positive for hepatitis B surface antigen (HBsAg) and hepatitis B "e" antigen (HBeAg) have a 70%-90% chance of acquiring perinatal HBV ... 1. Hepatitis B Surface Antigen (HBsAg) – The "surface antigen" is a protein found on the surface of the hepatitis B virus that is present ... Feb 8, 2022 ... HBsAg. The HBsAg test looks for the presence of the hepatitis B virus. A person who receives a positive result on this test has an active ... What is hepatitis B? Hepatitis B is an infectious liver disease caused by the Hepatitis B. Virus (HBV). HBV attacks the liver and can lead to cirrhosis, ... HBsAg Positive or Reactive ... Most patients clear the HBeAg or e antigen part of Hepatitis B in the first 6 months, but some do not clear the HBsAg or surface ... Aug 19, 2016 ... Ag is the antigen and Ab is the antibody. Explanation: First it is important to know the difference between and antibody (Ab) and an antigen (Ag). HBsAg seroclearance was durable for treated and nontreated patients and lasted, on average, over 13 years without seroreversion.