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41 Cards in this Set
- Front
- Back
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Taenia solium
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undercooked pork, larvae cause mass lesions in brain - cystercercosis, calcification
larvae also seen in muscles- seizures, myositis |
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echinococcus
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eggs in dog feces--> cysts in liver, causes anaphylaxis if echinococcal antigens are released from cysts
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schistosoma
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snail are host (freshwater), cercariae penetrate skin of humans, causes granulomas, fibrosis, and inflammation of spleen and liver
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clonorchis
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undercooked fish, causes inflammation of biliary tract
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paragonimus westermani
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undercooked crab meat, causes inflammation and secondary bacterial infection of the lung
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tx for schistosoma, clonorchis, and paragonimus
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Praziquantel
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tx for taenia solium
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praziquantel, albendazole
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echinococcus tx
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albendazole
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ancylostoma
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larvae penetrate skin of feet; intestinal infection can cause anemia; fe deficiency
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ascaris
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eggs visible in feces, intestinal infection; in 1/3 of the world
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enterobius
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food contaminated with eggs, intestinal infection, causes anal pruritis (most common worm in US), scotch tape test
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strongyloides
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larvae in soil penetrate the skin, intestinal infection; life cycle similar to ascaris
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tx for ancylostoma, ascaris, enterobius
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mebendazole/pyrantel pamoate
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tx for enterobius
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mebendazole, PP
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tx for strongyloides
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ivermectin/thiabendazole
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wuchereria bancrofti
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female mosquito; causes blockage of lymphatics (elephantiasis); tx with diethylcarbamazine
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bladder cancer in 3rd world countries
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schistosoma hematobium
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hookworm
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ancylostoma
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roundworm
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ascaris
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trichinella
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from undercooked meat, causes muscle inflammation and periorbital edema
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entamoeba histolytica
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causes amoebiasis, blood diarrhea, liver abscess, RUQ pain; from cysts in water
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tx of entamoeba, giardia, trichomonas
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metronidazole
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giardia
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causes bloating, flatulence, foul-smelling diarrhea (campers, hikers), from cysts in water
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toxoplasma gondii
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causes brain abscesses in HIV, birth defects, ring enhancing lesions; cysts from pork or cat feces
tx: sulfadiazine, pyrimethamine |
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most common malariae
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Plasmodium vivax and falciparum
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Malaria disease
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cyclic fever, headache, anemia, splenomegaly
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treatment of malaria
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chloroquine and primaquine (esp with PV and PO relapse), sulfadoxine and pyrimethamine, mefloquin, quinine and doxycycline
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malaria form that causes fevers and chills
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merozoite
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replicating malaria
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shizont
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PF gametes
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banana shaped
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trichomonas
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foul smelling, greenish discharge, itching and burning, sexual tramsition; motile trophozoites on wet mount with flagella
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T. cruzi
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Chagas- dilated cardiomyopathy, megacolon, megaesophagus
Frum reduviid bug |
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African sleeping sickness
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from tsetse fly, treat with suramin for blood borne disease or melarsoprol for CNS penetration
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Leischmania donovanii
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visceral leishmaniasis, infects liver and spleen; from the sandfly but dogs are resevoir; tx with sodium stibugluconate
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babesia
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causes fever and anemia (like malaria), from ixodes tick (Lyme disease), maltese cross; tx with quinine and clindamycin
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most common protozoal infectoin
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giardia/trichomonas
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erythrocyte ingested trophozoite
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entamoeba histolytica
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malaria stage that looks like a diamond ring
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trophozoite
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malaria stage that ruptures the host cell
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merozoite
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malaria stage that replicated intracellularly
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shizont
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malaria stage injected from anopheles mosquito
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sporozoite
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