HBs AG test and full interpretation of its results
HBs AG test (hepatitis B virus surface antigen) is prescribed with the aim of diagnosing this disease.. Hepatitis B is one of the most common viral hepatitis that occurs acutely and chronically.. This liver infection is caused by a virus called B (HBV).. This disease may be accompanied by symptoms such as mild fever, muscle pain or mild. The best, most effective and surest way to detect it is.... To learn more about the conditions and interpretation of the HBs AG test, read this article from GCORP LLC magazine.
What is the HBs AG test about?
In the HBs AG test, the amount of hepatitis B surface antigen is measured. It is a protein antigen that the body produces when it encounters the virus of this disease. If for any reason we feel that we have been exposed to this virus, when should we do the HBs AG test?
Let us read the answer on the CDC site:
Hepatitis b virus antigen can be measured four weeks after infection on average. However, this period can be up to 7 and 15 weeks.
Why is the HBsAg test prescribed?
The most important reason that a specialist doctor prescribes a hepatitis B blood test is that the patient has been exposed to contamination... high-risk conditions can be one of the following:
- Sexual relationship with an infected person
- Using common needles for injection
- Gay men
- A baby who has a carrier mother.
- Contaminated blood transfusion and body organ transplantation
- Direct contact with contaminated blood and its products
Learn more: What is Kern Ikteros?
What are the conditions of the HBsAg test?
The HBsAg test does not require fasting and does not require following a special diet.. The most important thing is to visit the laboratory at the right time for sampling..
The blood sample is also usually taken from the vein in the arm.... You may experience redness and burning of the hand after the blood draw, which disappears very quickly...
The result of the HBsAg test will be available to you one day after sampling. Of course, the specialist doctor also recommends liver function tests to check the exact state of health.
HBs Ag test reading and interpretation guide
In reading the HBsAg test, like many blood tests, there is no need for numbers and figures. In fact, you should not look for the normal level of HBsAg in the blood test.
The following table helps to understand laboratory indicators for hepatitis B diagnosis.
Good to know:
- If the Hbe Ag test level in the blood remains high for more than three months, there is a risk of developing chronic liver diseases.
- In the window stage, the result of the HBsAg test becomes negative after 2 weeks and the result of the HBs Ab test becomes positive... The window period is when the virus enters the body and the test result becomes positive to diagnose the disease...
- (Ab) means antibody and (Ag) means antigen.
What are the symptoms of high HBs Ag in blood test?
A high level of HBsAg in a blood test means that a person is suffering from hepatitis B. The most common symptoms of this disease include the following:
- Slight fever
- Decreasing appetite and weight
- Vague muscle pains that have no clear cause Digestive problems such as constipation and diarrhea
- Yellowing of the skin and eyes
- Feeling weak and tired
- Urine color change... Usually these patients have brown urine.
If you have such symptoms, you can consult an infectious disease doctor online.
Learn more: What is parvovirus disease?
You should know that these symptoms cannot 100% confirm the occurrence of hepatitis B... For example, the lack of minerals such as iron also causes fatigue and muscle pains... Blood test is the most definitive way to confirm or reject hepatitis B.
What are the symptoms of low HBs Ag in blood test?
The low level of HBs Ag in the blood test means that the test result is negative, that is, the person does not have any symptoms of the disease... Of course, many patients do not have specific symptoms and signs in the early days, and some others experience symptoms such as feeling tired, nausea, vomiting, abdominal pain.
If you have such symptoms, see an infectious disease specialist in Tehran.
Tests related to HBs Ag test
In the table below, you can see the blood tests that the specialist prescribes in addition to the HBsAg test:
Learn more: What is rheumatic fever or scarlet fever?
HBs AG test in multiple lines
The HBs AG test is a blood test that helps diagnose hepatitis B.... It is not necessary to observe special conditions such as fasting to perform this blood test.... Its results are presented as positive and negative.... A positive result means that you have the virus.... For more detailed investigations, in addition to the HBs AG test, the specialist doctor also suggests liver function tests to prevent Bcc disease.... href="https://gcorp.cc/">GCORP LLC Love your health.
FAQ
An antigen is a protein produced by a virus, an antibody is a protein that the body's defense system secretes to fight the antigen.
A positive result of this test means that antibodies against the virus antigen have been produced in your body.. Therefore, you are immune to this disease.
Yes..... This blood test is one of the screening tests during pregnancy.
In this situation, doctors usually prescribe an injection of immunoglobulin vaccine.
v..Source: hepb.org | gesundheit.gv.at | very good health
Was this article useful for you?
