My friend is worried of her HIV test.. she went for an operation for a minor surgery !?

she signed the consent form and the doctor said that she has HIV +. now the doctor asked her to do a second test..

will the result from the first test and the second will turn up the same?

what's the diff between the first screen HIV test and the second test? i read somewhere in wikipedia that the test will turn up the same.. what's elisa and western blot test?

i just want to know if she'll get the same result as her first test.. help..

HIV tests used these days (OraQuick, OraSure for example) have a sensitivity of 99.5-99.9% which means that if one tests positive, they are more than 99% likely to be HIV positive. But the second test is typically performed in a different method (ELISA/Western) to confirm the first test. This is done to make sure that the chances of being misdiagnosed is essentially zero.

ELISA and Western blot tests essentially uses a blood sample to test if antibodies that attach of HIV if present in the blood. If such antibodies exist, the person has HIV.

elisa and western blot test are just two different ways of testing your blood for HIV.

sorry to hear it. how does she think she contracted it?

An elisa test is to see if there are antibodies for HIV in your blood, this more than likely was a rapid test, and the only thing a rapid test does is show the chance of antibodies. I don't want to give you false hope but there is a chance of a false positive, but some medications or Lupus will give a false positive.

The reason to do a second test, which will include a western blot is a confirmatory test that is much more specific for HIV.

In they years that I have tested there have been a FEW western blots that come back negative. There are lots of different reasons, the rapid test was old, ther is a .04% chance of error, or the person could be seroconverting. THis mean the body is infected with the virus for HIV, but it is still an early stage.

IF her tests come back negative, I would encourage her to retest in 1 month and 3 months for peace of mind.

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