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5 paź 2024 · Identify bands specific to Lyme disease. The Western blot test uses electricity to separate blood antigens into bands. Particular bands have been identified by researchers as specific to Lyme disease.
On a Western blot test, antibodies that your body has made against the Lyme disease bacteria combine with specific proteins on the Lyme disease bacteria to create dark spots, or "bands." The test strips pictured here are positive by CDC criteria.
2 lis 2017 · The first step is to run a Lyme antibody blood test, which measure two types of antibodies against Lyme disease (immunoglobulin G or IgG and immunoglobulin M or IgM). If this test is positive, then a second test called a Lyme Western Blot should be run to confirm the results of the first test.
15 maj 2024 · The overall result is positive only when the first test is positive (or equivocal) and the second test is positive (or for some tests equivocal). Standard two-tier testing (STTT) uses enzyme immunoassay (EIA) as the first step and western blotting (WB) for the second step.
8 sty 2024 · When a Western blot test is used for Lyme disease, it checks to see if blood contains any IgG and IgM antibodies. If the test detects IgG antibodies, it can mean there is longer-term infection of Lyme disease, while IgM antibodies signal an early response to the body's fight against the disease.
1 lis 2019 · Standard 2-tiered testing is the diagnostic testing method of choice—enzyme-linked immunoassay followed by Western blot. Interpretation of the bands depends on the duration of infection. When interpreting the test results, be aware of false-positives and the reasons for them.
Inquiries about various issues relating to Western blot (WB) testing are frequently posted to the Lyme disease discussion groups on the Internet. Among the most commonly asked questions are: What laboratory techniques are used to carry out the assay? What exactly is being measured? What is a “band”? How are the results interpreted? What are ...
