Shared Flashcard Set

Details

Mycotic infections
Test 3 Sem 2
16
Medical
Graduate
02/17/2011

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Cards

Term
Where is candida normally found?
Definition
GI and vaginal tracts
Term
If hematogenous candidiasis is suspected what must you do?
Definition
dilated exam of eyes and treat if cotton-ball like chorioretinitis is present
Term
What is seen on KOH prep in candidiasis?
Definition
pseudohyphae
Term
What is the topical and systemic drug of choice for candidiasis?
Definition
topical - nystatin
systemic - fluconazole
Term
What is found in pigeon droppings, and eucalyptus trees?
Definition
Cryptococcosis (Cryptococcus neoformans)
Term
What is the most important risk factor for cryptococcosis?
Definition
suppressed cell-mediated immunity
Term
What test detects antigens >90% of the time for cryptococcosis?
Definition
latex agglutination
Term
What is the treatment for cyrptococcosis?
Definition
IV amphotericin B w/flucytosine
Term
pneumocystis jiroveci is a fungus that causes pneumonia in patients with what?
Definition
lymphopenia
Term
What confirms the diagnosis with pneumocystosis?
Definition
methenamine-silver staining of induced sputum
Term
What is the treatment of choice for pneumocystosis?
Definition
IV trimethorprim-sulfamethoxazole
Term
What sputum finding is seen with aspergillosis?
Definition
expectoration of sputum containing brown plugs
Term
What test should be performed in all patients suspected of having invasive aspergillosis?
Definition
CT of lungs and sinuses
Term
What is the recommended agent for treating invasive aspergillosis?
Definition
voriconazole
Term
What manifestation is most commonly seen with zygomycosis??
Definition
cutaneous infections on extremities
Term
What should alert one to possible rhinocerbral disease with zygomycosis?
Definition
black eschar on the nasal or palatal mucosa
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