Opportunistic infections in HIV Flashcards Preview

Infectious Disease > Opportunistic infections in HIV > Flashcards

Flashcards in Opportunistic infections in HIV Deck (11)
Loading flashcards...
1
Q

CD4 T cells > 200

A

Community acquired PNA (Strep pneumo)
PPD+ –> tx when 5 mm with rifampin for 4 mos OR INH + rifapentine weekly x 12 wks
Kaposi’s sarcoma (HHV 8)
Lymphoma

2
Q

CD4 T cells < 200

A

Pneumocystis Jirovecii PNA

Candidiasis

3
Q

CD4 T cells < 100

A

Cryptococcal meningitis

4
Q

CD4 T cells < 50

A
MAI (Mycobacterium avium intracellulare)
CNS lymphoma (EBV antigen + in almost all of them)
5
Q

CD4 T cells < 25

A

CMV retinitis

Progressive mutifocal leukoencephalopathy (JC virus)

6
Q

Prophylaxis against opportunistic infections:

CD4 T cells < 200 –> PJP?

A

PJP: Bactrim, dapsone, atovaquone

7
Q

ring enhancing lesions

A

toxoplasmosis, brain abscess, lymphoma

8
Q

toxoplasmosis tx

A

sulfadiazine and pyrimethamine

9
Q

A screening HIV test result that is positive on the initial antigen/antibody combination immunoassay but negative on the antibody differentiation immunoassay and nucleic acid amplification testing for HIV RNA represents what?

A

a false-positive result

10
Q

Preferred HIV postexposure prophylaxis regimens include?

A

tenofovir disoproxil fumarate, emtricitabine, and either dolutegravir or raltegravir and are appropriate whether the exposure was occupational or nonoccupational

11
Q

What induration on tuberculin skin testing is considered positive in persons who are immunocompromised, including those with HIV?

A

5-mm
- if no other signs of tuberculosis infection are present, treatment for latent tuberculosis infection should be initiated with isoniazid + pyridoxine