3 Questions
Explain the significance of CD4 # in HIV progression and immune function.
CD4 # measures the state of immune function and ranges from 500-1300. It is an indicator of the stage of HIV progression and the risk of opportunistic infections. It also helps in making decisions about antiretroviral therapy (ART).
How does HIV viral load affect the progression of HIV and the effectiveness of ART?
HIV viral load refers to the number of virus present in the body. A high viral load is associated with increased progression of HIV and higher risk of HIV transmission. It also impacts the effectiveness of ART, with the goal being to achieve an undetectable viral load through treatment.
Describe the diagnostic tests and timeline for acute HIV infection, including the symptoms of Acute Retroviral Syndrome.
In acute HIV infection, diagnostic tests include HIV-1 RNA PCR on day 10, 4th generation p24 antigen test on day 20, and HIV antibody test on day 90. Acute Retroviral Syndrome typically occurs 2-6 weeks after infection and presents with symptoms such as fever, sore throat, arthralgias, headache, and maculopapular erythema rash, which may be mistaken for flu or mononucleosis.
Test your knowledge of HIV lab testing with this quiz. Explore CD4 count, HIV viral load, ART decisions, acute infection testing, and more. Perfect for healthcare professionals and students.
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