Shared Flashcard Set

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Viral Zoonoses and Mycotic infections
Test 2 Sem 2
25
Medical
Graduate
02/01/2011

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Cards

Term
What are the most common vectors of viral zoonoses?
Definition
hematophagous (blood-sucking) arthropods, mosquitoes
Term
What is the principle vector for dengue fever?
Definition
aedes aegypti mosquito
Term
what is 3 unique common symptom of dengue fever?
Definition
altered taste sensation and petechiae on second exposure and retro-orbital pain
Term
What is the most common manifestation of Dengue hemorrhagic fever?
Definition
skin hemorrhages
Term
What labs are seen with dengue hemorrhagic fever?
Definition
thrombocytopenia <10,000, rise in hematocrit-third spacing, low total protein, low albumin
Term
treatment for dengue hemmoragic fever?
Definition
prompt fluid replacement
Term
What are the 3 stages of yellow fever?
Definition
1) infection - swollen lips/red tongue
2) remission
3) intoxication - jaundice
Term
What is the most important worldwide cause of arobviral encephalitis?
Definition
Japanese encephalitis
Term
What is the main reservoir for Rabies in US?
Definition
Dogs, 90% associated w/wild animals
Term
What are some clinical manifestations of Rabies? (3)
Definition
1) pain and parathesia at bite site - prodermal phase
2) apprenhension/impending doom
3) hydrophobia
Term
What leads to death in Rabies?
Definition
involvement of cardiac and respiratory muscles
Term
Where is histoplasmosis found?
Definition
Mississippi and Ohio river valleys from bird and bat guano
Term
What x-ray findings are found with pulmonary histoplasmosis?
Definition
patchy lobar or multilobar infiltrates
Term
What type of histoplasmosis is more common in children and immunosuppresed?
Definition
hematogenous dissemination
Term
What serological studies are available for histoplasmosis?
Definition
complement fixation (CF) and immunodiffusion (ID)
Term
How do you treat pulmonary histoplasmosis?
Definition
itraconazole 200mg-same treatment for disseminated histoplasmosis, if pneumonia - amphotericin
Term
What is a complication associated with histoplasmosis?
Definition
granulmatous mediastinitis - can erode into esophagus
Term
What states is blastomycosis seen in?
Definition
arkansas, mississippi, and kentucky
Term
What is found on the face and extremities with disseminated blastomycosis?
Definition
well circumsribed, nonpainful papules, nodules, or plagues
Term
Treatment for blastomycosis?
Definition
itraconazole, or amphotericin in severe cases
Term
where is coccidioidomycosis found?
Definition
desert southwest
Term
What form of coccidiomycosis is common and asymptomatic and commonly involves the skin, bone, SQ tissue, and meninges?
Definition
Disseminated coccidiomycosis
Term
What serologic studies are found with coccidiomycosis?
Definition
1) ID detection of IgM antibodies - acute
2) CF of IgG for chronic
Term
How do you treat coccidiomycosis?
Definition
fluconazole, itraconazole for pulmonary infections
Term
Who most commonly has visceral sporotrichosis?
Definition
middle-age alcoholic men with COPD
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