Term
| What is the primary symptom with toxoplasmosis? |
|
Definition
|
|
Term
| toxoplasmosis in immunosuppressed? (3) |
|
Definition
1) CNS infection-severe
2) reactivation of prior infection
3) must do tissue biopsy to confirm |
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Term
| Which trimester is the mother at greatest risk for contacting congenital toxoplasmosis? |
|
Definition
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Term
| 85% of babies with congenital toxoplasmosis will develop what? |
|
Definition
1) appear normal at birth
2) 85% will develop chorioretinitis, hearing loss, and developmental delay |
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Term
| What should pregnant women avoid to avoid toxoplasmosis? |
|
Definition
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Term
| What is the most common symptom of ocular toxoplasmosis and what do the lesions look like? |
|
Definition
impairment of vision-most common
fluffy yellow-white exudates in the posterior pole |
|
|
Term
| what drug during pregnancy decreases risk of transplacental transfer with toxoplasmosis? |
|
Definition
|
|
Term
| What 2 drugs in combination treat toxoplasmosis? |
|
Definition
| pyrimethamine and sufonamides |
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Term
| What is a new form of malaria seen in southeast Asia? |
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Definition
|
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Term
| What is the mainstay treatment for Malaria |
|
Definition
| Chloroquine, P. falciparum is often resistant |
|
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Term
| What part of the life-cycle do the anti-malarial drugs treat? |
|
Definition
erthrocytic stage
*liver infections cause relapse |
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Term
| What is the definitive lab diagnosis for Geiardiasis? |
|
Definition
| presence of cysts or trophozoites in stool |
|
|
Term
| What is seen in the liver with entamoeba histolytica? |
|
Definition
|
|
Term
| What labs are common with E. histolytica? |
|
Definition
| leukocytosis, anemia, elevated sed rate. alk phosphotate 1-4x higher |
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Term
| What intestional protozoa infects the brush border of the small intestine and may cause disease in day-care centers? |
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Definition
|
|
Term
| What disease forms cutaenous ulcers that don't heal...seen in tropics |
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Definition
|
|
Term
| American trypanosomiasis (Chagas' disease) is transmitted by what? |
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Definition
|
|
Term
| What are some unique clinical features with Chagas' disease? |
|
Definition
| rubelliform rash, non-pitting edema, can cause heart problems in chronic disease |
|
|
Term
| What lab is markedly increased with Chagas' disease? |
|
Definition
| WBC >18,000-mostly lymphocytes |
|
|
Term
| What is the RACE Norwalk acronym for diarrhea? |
|
Definition
R-rotavirus
A-adenovirus
C-caleovirus
E-enterovirus
Norwalk virus |
|
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Term
| What do helminthic infections often mimic? |
|
Definition
|
|
Term
| What is usually seen with infected pork? |
|
Definition
|
|
Term
| What is seen in the muscle phase of trichinellosis? |
|
Definition
| periorbital/facial edema, subconjunctival/rentinal hemorrhages, subungal splinter hemmorhages. Progresses to cyst forms |
|
|
Term
| What are the two nematodes that infect through the skin? |
|
Definition
1) Hookworm
2) Strongyloidiasis |
|
|
Term
| What is the most prevalent intestinal helminthic parasite? |
|
Definition
| Roundworm (Ascaris lumbricoides) |
|
|
Term
| Which worm causes perianal pruritis at night and use scotch tape test? |
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Definition
|
|
Term
| stronglyoidiasis is more common where? |
|
Definition
|
|
Term
| Which tissue nematode is transmitted by salmon and other fish, in where a worm may be coughed up within 38 hours |
|
Definition
|
|
Term
| lymphatic filariasis causing lymph obstruction and edema is caused by what? |
|
Definition
| brugia malayi, wuchereria bancrofit |
|
|
Term
| shistosomiasis is found in what as a host? |
|
Definition
|
|
Term
| What cestode infection is found in dogs and causes cysts in liver and lungs |
|
Definition
|
|
Term
| What is the only legally require immunization to enter countries? |
|
Definition
|
|
Term
| What is the only prophylatic med that is not required to take 4 weeks after arriving in US? |
|
Definition
| Atovaquone-Proguanil (Malarone) |
|
|
Term
| What is a new med used for the treatment of P. falciforum? |
|
Definition
|
|
Term
| What is the most common illness in travelors and what causes it? |
|
Definition
| travelor's diarrhea caused by etnerotoxigenic E. coli |
|
|
Term
| What are the most common viruses causing diarrhea? Parasites? |
|
Definition
virus: rotavirus, norwalk
parasite: Giardia, cyrptosporidium |
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