1034. Hepatitis A virus (HAV), IgM antibodies
Description
Hepatitis A virus (HAV) is an infectious agent that is transmitted from a sick person to a healthy person through water and food, into which the patient's feces have gotten. In the human body, it can provoke the development of acute inflammation of the liver (a flu-like condition, against which jaundice appears). The immune system reacts to the virus by releasing class M immunoglobulins (appear in the blood almost immediately after the development of jaundice).
Detection of IgM antibodies in the blood allows you to confirm the diagnosis of acute hepatitis A.
The analysis should be taken together with the determination of IgG antibodies to hepatitis A.
When and who needs the test?
- jaundice;
- suspicion of acute viral hepatitis;
- cholestasis syndrome;
- preventive examination of persons in contact with hepatitis A;
- increased levels of ALT, AST in the blood;
- contact with the sick;
- living in the focus of the disease.
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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