1036. Hepatitis B virus (HBV), HBsAg, antibodies total
Description
HBsAg – one of the virus antigens that provokes the development of hepatitis B, is first detected in the blood when infected with hepatitis B, and the appearance of antibodies to it indicates the beginning of the patient's recovery. In addition, the study of the levels of antibodies to HBsAg makes it possible to confirm the chronicity of viral hepatitis B.
The analysis is widely used to diagnose hepatitis B, assess the effectiveness of its treatment and determine the prognosis of the disease. It is best to take it along with other markers of hepatitis B.
When and who needs the test?
- preparation for vaccination;
- confirmation of the effectiveness of vaccination;
- monitoring the effectiveness of immunization programs and the need for revaccination;
- in combination with other markers to control the course of acute hepatitis B (early appearance in fulminant forms, delay in the chronicity of the process).
Biological material
- Venous blood
Preparing for a blood test
In order to exclude factors that may affect the test results, we recommend to follow the preparation rules:
- an important condition for laboratory tests is to take blood on an empty stomach.
- 6-12 hours before the test, you should avoid eating, drinking alcohol, smoking, and limit physical activity. Drinking...
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