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About the Heart and Blood Vessels
Detailed anatomical description of the heart's blood vessels, including simple definitions and a labeled, full-color illustration.
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Chlamydia Trachomatis (Urine)
This test looks for the bacteria that cause chlamydia, the most common sexually transmitted infection in the U.S.
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Ethanol (Blood)
This test measures the amount of alcohol, or ethanol, in your blood. This test is used by law enforcement agencies and hospitals to find out the concentration of alcohol in a person's blood.
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Gram Stain
This test finds out whether you have a bacterial infection. Samples for this test may be collected from different areas of the body, such as a knee joint or the throat.
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HIV Genotypic Resistance
This blood test looks at the genetic makeup of a strain of HIV, the virus that causes AIDS. The test can be useful in planning your treatment for HIV.
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HIV-1/HIV-2 Rapid Screen
This test looks for HIV infection in your blood or saliva. It can give you results in about 20 minutes.
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HIV Viral Load
This test measures the amount of HIV in your blood. HIV causes AIDS, and this test is used to see how well your HIV treatment is working.
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HLA Antigen
This test looks at the human leukocyte antigens (HLAs) in your blood. It helps match donors and recipients for stem cell and organ transplants.
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Glucose-6-Phosphate Dehydrogenase
This test finds out if you have low levels of a particular enzyme that can cause hemolytic anemia.
Learn More Glucose-6-Phosphate Dehydrogenase
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