Respi disorders in HIV Flashcards
highest incidence of pneumonia among HIV px in
_____ months
1st 6 months of life
Prophylaxis up to 3 years
reduce mortality
primary isoniazid
when exposed to a close contact with TB
6 to 9 months secondary prophylaxis
respi symptoms not common but with tachypnea and chronic lung infiltrates
NTM
poor prognosis in NTM
Disseminated MaC
tx for NTM in HIV
Azith:clarith
Ethambutol
if dissem
add cipro, amik, rifampin, rifabutin, clofazamine
TB meds should be started when prior art
at least 2 weeks
primary prophylaxis in NTM
macrolides (immunosupressed)
dc if at 2 yo, stable on art >6 months
rsv sheds up to
90 days
may give this vaccine if not immunocompromised
measles
varicella
passive immunization
varicella
measles
measles ig within 6 days of exposure
varicella up to 96 hrs of contact
given to unvaccinated or immunosuppresed
most common pathogen identified
PCP
PCP highest incidence and peak at
1st yr of life
peaks at 3-6 months
strongly predicts PCP
high plasma HIV RNa
rapid decline in cd4 suggests
PCP
pCP labs
normal wbc, igG
elevated LDH
reticulonodulr infiltrates of PCP
perihilar extending peripherally
other dx
pneumatocoeles
pneumothorax
pie
tx of pcp
high dose co tri for 21 days
altern pentamidine
co tri prophy
found in lung biopsies of LIP
EBV
diffuse infiltration if lymphocytes into interstitium
LIP
media age of LIP
2.5 to 3 yo
level of igG suggestive of LIp
more than 2500 mg/dl
generalized lymphadenopathy
hepatosplenomegaly
clubbing
parotid enlargement
LIP
