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36 Cards in this Set
- Front
- Back
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What insect transmit leishmania?
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Sand fly
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What insect transmits Typanosome cruzi?
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Kissing bug
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What insect transmits Typansome brucei?
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Tsetse fly
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Where do you see Chagas dx usually?
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South America
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Clinical features of Chagas dx?
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Chagoma
Fever, chills, malaise, myalgia, fatige Hepatosplenmegaly, myocarditis, megacolon |
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What is the significance of immunity of antigenic shift of Trypansomes?
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Variant surface glycoprotein (VSG)
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Where do you see a Winterbottom sign?
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In posterior cervical lymph nodes
Sleeping sickness |
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Which stage of schistosoma life cycle is infective?
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Cercarial
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What is a vector of schistosoma?
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Snails
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Where do eggs of schistosoma go?
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Feces and urine --> fresh water
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Wuchereria and Brugia cause what
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Lymphatic obstruction --> Elephantiasis
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Vector of wucheria/brugia?
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Larvae injected by mosquito
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What advice would you give a pt who plans to travel to an area endemic schistosomiasis?
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AVOID WATER
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Filaria worm causing oncocerciasis is transmitted by?
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Black fly
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Clinical presentation of Onchocerciasis/Filarial worm?
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visual disturbances
blindness painless subcut nodules |
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What are the four species of Plasomida that cause human dx?
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Falciparum
Ovale Vivax Malariae |
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Which stage of Plasmodium is infective in humans?
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Sporozite
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Clinical findings in malaria?
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Fever
Chills Splenomegaly Anemia CNS disturbances |
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Which part of the life cycle invades RBCs?
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Merozotites
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Which part of life cycle in liver?
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Hyponozoites
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Which Plasmodium looks like a banana?
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Falciparum
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What advice would you give to someone who plans to travel to an area endemic for malaria transmission?
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Take a chemoprophylaxis
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Which Plasmodium causes most fatalities?
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Falciparum
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Explain the underlying cause of the fever, chills, anemia seen in malaria?
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Inflammatory response
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How is Babesia transmitted?
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Deer tick vector (Ixodes)
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How are Babesia and Malaria similar?
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Invade RBC
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What are some SX of Babesia?
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Malasie, fever, chills, sweating, myalgia (similar to malaria)
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Blood smear that shows a multise cross?
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Babesia
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Where do you find Babesia?
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NE US
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Does Babesisa have a liver stage?
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NO
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Host of Toxoplasma gondii?
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Cats
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What is shed in cat poop for Toxoplasma?
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Oocytes
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What is significance of toxoplasma infection in immunocompromised pts?
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MRECL in frontal lobe
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What is significiance of toxoplasma infection in preggers?
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TORCH
Babies born messed up |
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Baby gets T. gondii...what are SX at birth?
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Hydrocephalus
Chorioretinitis Brain calcifications Jaundice, hepatosplenomegaly |
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Serology for T. gondii?
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IgM or IgG
PCR Seeing under microscope |
