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Period Blood And HIV Testing

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Get the Facts
The Well Project

Understanding HIV-Related Lab Tests I: Complete Blood Count and Blood Chemistry

...is 12.1-15.1.A low RBC count or low HCT or HCT may mean you have anemia, which can cause youto feel tired. Anemia can be caused by certain HIV drugs. Women may alsoexperience anemia as a result of blood loss through menstrual periods. White blood cells(leukocytes) White blood cells (WBCs) are produced by the immune system and helpdefend the body against infection. A normal total WBC count is 4,500-10,000. Ahigh count...
Ask the Experts

HIV screening for donating blood (BLOOD DONATION, FALSE POSITIVE TEST 2009)

Dr. Bob, My sister recently tried to donate blood and was denied. She recieved a letter stating that she was HIV positive. How accurate are the tests that the Red Cross performs? She is getting an HIV test but I would like to know what the...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...tested as a batch. If the batch tests positive, then each of the 20 donor samples is tested individually by our usual serological testing methods. See, I told you this was a bit confusing. As for your second question, my occupational exposure was... Read more »

Reliability of the Deter,mine test at 5 weeks?

Hey Doc. Sorry for posting in the wrong forum, but needed an answer and was not getting it in the other forums. Just wanted to find out though, after reading through the archives I do understand that no test is conculsive until after 3 months due to...
Joseph McGowan, M.D., F.A.C.P.

Response from Joseph McGowan, M.D., F.A.C.P.

North Shore University Hospital
...As you mention, the Determine test is a rapid HIV testing method that is commonly used now by many HIV testing centers. The results have excellent reliability and are comparable to the standard Read more »

Dr, i went and gave the blood for HIV RNA PCR test.

Dr. Brian, I am the guy whom you recommend a PCR or an antigen test, because I was on immunosuppressants for a long period of time. So I took an appointment with an infectious disease specialist. He has requested the HIV 1 RNA PCR test and the HIV 2...
Brian Conway, M.D.

Response from Brian Conway, M.D.

University of British Columbia
False negative PCR tests are extremely unlikely. False positiv tests are almost as rare, but I would consider that the test may be falsely positive if the result is 5,000 copies/mL or less, especially if the aitbody test is negative and the CD4... Read more »

Safe blood transfusion v. Window period

Hi Doc!I have heard that places that accept blood (for storage and transfusion) can know if the blood is infected even if the person donating is at his/her window period. Then why don't they use this technology to straight-away determine if a person...
Robert J. Frascino, M.D.

Response from Robert J. Frascino, M.D.

The Robert James Frascino AIDS Foundation
...tested as a batch. If the batch tests positive, then each of the 20 donor samples is tested individually by our usual serological testing methods. See, I told you this was a bit confusing.As for your second question, my occupational exposure was... Read more »
Articles
AIDS InfoNet

HIV Testing

...with HIV, it usually takes from three weeks to two months for your immune system to produce HIV antibodies. During this "window period" you can test negative for HIV even if you are infected. If you think you were exposed to HIV, you should wait... Read more »
San Francisco AIDS Foundation

HIV Testing

... ELISA Western Blot (WB) Assay Indirect Immunofluorescence Assay (IFA) Window Period Interpretation of Test Results Accuracy of Antibody Tests Anonymous HIV Testing ... Read more »
The Well Project

What Is HIV?

...is because the immune system can take anywhere from two to eight weeks to make antibodies. If you are tested in this "window period," you may get an unclear result or a false negative. There is another type of test called the RNA test, which... Read more »
AIDS InfoNet

Acute HIV Infection

...healthy for 6 to 9 years. At first, researchers believed that early treatment might allow a patient to stop taking ART after a period of controlling HIV. However, newer reports indicate that this is probably not true. The Bottom Line It's not... Read more »
Connect With Others

Rapid test

Posted by Anonymous, 4 Replies
...Mass says 6 week window period for a hiv blood test but 3 months for a rapid test. I thought they [rapid test] was the same sensitivity. I think its just the Read more »

HIV in routine Blood Tests?

Posted by Hifb, 2 Replies
...I had unprotected oral sex and intercourse with a man of unknown HIV status about three years ago- Since then I have donated blood (about 3 months after the encounter) and had several blood tests, Read more »

INTERESTING QUESTION

Posted by Anonymous, 4 Replies
...of reading on our nation's blood supply, and they say that the new Eliza Test, plus the p24 antigen test has cut the window period down to 16 days. In addition, they say with the new NAT testing (PCR viral load), they are now able to cut the... Read more »

pep and testing

Posted by Anonymous, 2 Replies
...i was on pep .how long should i wait to get tested if i have a pcr test? Read more »