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Doctor insights on: Htlv I Ii Western Blot

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How accurate is western blot?

By all means: You may need to repeat it for your psychologic well-being. However the test is very reliable. ...Read more

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What is the western blot test used for?

What is the western blot test used for?

Diagnostic test: The western blot is a test that identifies proteins from an infectious agent. Probably the best example is the HIV western blot, which is used to confirm a diagnosis of HIV infection in people with positive screening tests (elisa or eia). The screening test can be falsely positive, but in those cases the western blot will be negative. ...Read more

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Can I take 2 western blot HIV tests?

Can I take 2 western blot HIV tests?

Yes: Of course the lab would be happy to accept your money for repeat testing - but the question is why a repeat western blot. If the elisa antibody screen is negative you do not need western blot confirmation, and if it is positive but the western blot results suggested biological false-positive results, then if you do not believe these, a PCR for viral nucleic acid is the best answer. ...Read more

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What would cause a positive Lyme titer but negative western blot?

What would cause a positive Lyme titer but negative western blot?

see details: The lyme titer is nonspecific and can be positive by itself if the presence of other autoimmune diseases, viral infections or a history of lyme in the distant past. I negative western blot rules out active lyme disease. ...Read more

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Can you tell me what if a hiv-positive person under meds, takes a western blot test?

Can you tell me what if a hiv-positive person under meds, takes a western blot test?

No need: If the diagnosis of HIV has been established and the person is being treated for hiv, there is no need to do a western blot test for hiv. Please note that western blot is a method and this method is used for other tests also. ...Read more

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I've had a HIV test after 60 days of exposure -- is western blot test a better option?

I've had a HIV test after 60 days of exposure -- is western blot test a better option?

No-: Inferring a concern about a negative HIV screen, at 60 days, the current generation of HIV screens are very sensitive. Therefore, if the screen was negative, then the WB will not be any more sensitive ...Read more

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Can you have Lyme disease and still have a negative test result on the western blot test?

Can you have Lyme disease and still have a negative test result on the western blot test?

Possible: Lab tests have false negatives and false positives. Each lab test result needs to be interpreted in the clinical context. A person may have infection with lyme disease and may not make appropriate antibody and have a negative test while the test is working properly. ...Read more

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HIV test negative 8 months with Architectâ„¢ analyzer and confirmed with western blot test. What are the chances it will turn positive?

Exposure: If you have not had sex or blood exposure since then, the risk is about zero. But if you have, then it depends on whether your partner(s) has HIV or not . ...Read more

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Indeterminate western blot after three years of exposure with p24 and again the same results after one month.is it still window period?

Indeterminate western blot after three years of exposure with p24 and again the same results after one month.is it still window period?

See an HIV expert: This is a complex situation, can't sort it out on this forum with the info you provide. Most people with indeterminate HIV WB results do not have HIV. But indeterminate due to p24 can be found during serconversion, as you seem to know. WB is not usually done any more -- other confirmatory methods are used. If not in the care of an infectious diseases or HIV/AIDS expert, ask for referral ASAP. ...Read more

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What is western blot ?

What is western blot ?

Protein assay: Laboratory assay designed to identify a specific protein within a sample (eg serum sample). The biochemical properties of protein enable its passage through a gel matrix across electric current. The specific protein is then identified through detection by antibody. Oddly, there is such a thing as Southern and Northern blots (for DNA and RNA, respectively), but no Eastern blot. ...Read more

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how accurate is Lyme disease western blot?

how accurate is Lyme disease western blot?

High disease area?: The Western Blot is the 2nd (after the ELISA) in a 2-step process. An individual in an area where Lyme disease is common & with high exposure to Lyme-disease carrying tick bite who has been bitten by an engorged tick is highly likely to have Lyme disease if these tests are positive. Without these risk factors, a positive test could be falsely positive. ...Read more

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Please tell me, is western blot good in diagnosing Lyme disease?

Not great: But it is used to diagnoses lyme disease as it is one of the better tests we have. The cdc recently stated it believes lyme infections are about ten times higher than predicted due to false negatives related to current testing. Hope that helps! ...Read more