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4 Cards in this Set
- Front
- Back
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CDC Definition is AIDS |
Persons with specific serious opportunistic infections such as Pneumocystis jiroveci pneumonia, disseminated CMV, or Kaposi sarcoma |
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Risk groups for HIV infection |
-Homosexual or bisexual males -IV drug abusers and those who have had tattoos or acupuncture -Heterosexual partners of a risk-group member -Recipients is blood products prior to blood product screening (1985) -Those taking medications such as steroids or other agents that cause immunosuppression -Infants born to infected mothers -Breast-feeding infants of infected mothers |
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Laboratory testing for HIV |
-Positive ELISA although false positives can occur -Confirmation by the Western blot test -PCR test may be used to differentiate between HIV infections in the neonate and antibodies the neonate receives from the mother -Seroconversion to Positive in these tests occur usually 6 weeks to 3 months but may take as long as 12 months -Prior to seroconversion to antibody-Positive status, a P24 antigen assay will be positive (detects core antigen of virus) |
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Stages of HIV |
Primary infection (acute HIV infection or acute HIV syndrome) (CD4T-cell counts of at least 800cells/mm3) HIV asymptomatic (CDC Category A) (CD4 T-cell counts more than 500 cells/mm3) HIV symptomatic (CDC Category B) (CD4 T-cell counts between 200 and 499 cells/mm3) AIDS (CDC Category C) (CD4 T-cell counts less than 200 cells/mm3) |
