HIV and Aids Flashcards
normal CD4 count? AIDS CD4 count?
normal >500
AIDS <200
natural history of HIV?
acute infection - seroconversion asymptomatic HIV related illness AIDS defining illness Death
Primary HIV / Seroconversion
around 30-60% patients have seroconversion which is when HIV antibodies first develop
abrupt onset 2-4w after exposure lasting 1-2w
flu like illness
what is the commonest late stage (AIDS) infection?
pneumocystis jiroveci pneumonia
pneumocystis jiroveci pneumonia classical history?
dry cough and increasing breathlessness over several weeks
pneumocystis jiroveci pneumonia investigations?
CXR
induced sputum or bronchoscopy for PCR
pneumocystis jiroveci pneumonia treatment? prophylaxis?
cotrimoxazole or pentamidine
get CD4 >200
anti-retroviral drug actions? (4)
entry inhibitors
reverse transcription inhibitors
integrase inhibitor
protease inhibitors