Flashcards in Diagnosis of HIV pts Deck (96)
What are the cells that HIV can hide out in?
Memory CD4+ T cells
What indicates that transition from HIV to AIDS?
CD4 less than 200
AIDS indicator disease
What happens to the viral load with HIV infection? How does CD4 count relate to this?
Peaks initially, then drops to a "set point"
CD4 count is the inverse of this
How well does the viral load correlate to the progression of HIV to AIDS
What is the viral cause of Kaposi's sarcoma? What are the s/sx of this?
erythematous macules on the posterior oropharynx
At what CD4 count are AIDS pts susceptible to pneumocystis?
Less than 200
At what CD4 count are AIDS pts susceptible to toxoplasmosis?
At what CD4 count are AIDS pts susceptible to Cryptococcosis?
At what CD4 count are AIDS pts susceptible to Kaposi's sarcoma?
At what CD4 count are AIDS pts susceptible to MAC?
Less than 50
At what CD4 count are AIDS pts susceptible to CMV?
Less than 50
What is the prophylaxis for toxoplasmosis?
What is the source of MAC?
Does recurrent bouts of pyogenic pneumonia diagnose you with AIDS?
What is the cause of hairy tongue leukoplakia?
EBV caused growth that does not scrape away
What has happened to the incidence and prevalence of HIV?
-Prevalence growing (people living longer)
In what high risk group is HIV incidence increasing? Which is declining?
IVDA is going down
What is the current strategy to target MSM population to prevent AIDS?
What ethnicity have the highest prevalence of HIV?
What percent of people with HIV are unaware they have it? What percent of new infections are caused by people who don't know they have it?
20% ish don't know
50% of new infections from people who do not know they have it
What is the percentage of CD4 that is diagnostic of AIDS? What does this mean?
Less than 14%
This means that less than 14% of T cells are of the CD4 variety (the remainder being CD8)
What percent of newly diagnosed HIV have a strain that is resistant to ART?
What are the first s/sx of HIV with initial infection?
-Pharyngitis, rash, HA
What percent of patients with an EBV infection present with a rash?
Less than 5%
What percent of patients with initial HIV infection have aseptic meningitis?
What percent of patients with an initial HIV Infection present with oral ulcers?
What percent of patients with an initial HIV Infection present with genital ulcers?
What is the viral markers followed for initial HIV infection?
What is the first, second, and third rise in markers for HIV?
1. HIV RNA first
2. p24 antigen
3. HIV ab last