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Microbiology Protozoa
Protozoa
12
Agriculture
1st Grade
05/10/2012

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Cards

Term
CNS brain lesions; ring enhancing lesions on MRI
Definition
Toxoplasmosis gondii (from TORCH)

Causes chorioretinitis, hydrocephalus and intracranial califications in congenital toxoplasmosis

Causes encephalopathy in HIV patients CD4 count <200
Term
Causes rapidly fatal meningoencephalitis; swimming in freshwater lakes
Definition
Naegleria Fowleri

Enters via the cribiform plate

dx: amoebas in spinal fluid
Term
Enlarged lymph nodes, fevers.
CNS later with fever and death.
"African Sleeping Sickness"
Definition
Trypanosoma gambiense/rhodesiense

Transmission through tsetse fly.

Tx: Suramin
Term
Chagas disease, dilated cardiomyopathy, megacolon
Definition
Trypanosoma Cruzi
From Reduviid bug

Tx: Nifurtimox
Term
High spiking fevers, hepatosplenomegaly, pancytopenia
Definition
Leishmania Donovani
Transmission through sandfly

Macrophages contain amastigotes
Term
Malaria: cyclic fever, headache, anemia, spenomegaly
Definition
Plasmodium:
vivax/ovale
falciparum
malariae

Transmission through anopheles mosquito
Dx: Blood smear

Tx: Chloroquine, add primaquine for vivax/ovale for dormant liver forms
Term
Protozoan causing fever and hemolytic anemia after taking a hike in northeastern United States
Definition
Babesia

transmission: Ixodes tick (same as borrelia burgdorferi of lyme disease)

DX: MALTESE CROSS

TX: Quinine Clindamycin
Term
Bacteria from greenish-grey foamy vaginal discharge, foul smelling with burning and itching
Definition
Trichonomiasis

Transmitted sexually.
Dx: Seeing trophozoites on wet mount

Tx: Metronidazole
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Term
Most Common helminth in US
Definition
Enterobius Vermicularis
Term
Helminth where >25% of the world infected. Eggs visible in feces
Definition
Ascaris Lumbricoides (giant roundworm)
Term
Helminth from ingestion of undercooked pork. Causes mass lesions in brain with swiss cheese like appearance
Definition
Taenia solium
Term
Causes squamous cell carcinoma of bladder, presenting with painless hematuria. Common in egypt
Definition
Schistosoma

Fresh water Snails are the host.
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