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28 Cards in this Set
- Front
- Back
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Presentation of entamoeba histolytica
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Desentary (blood and pus diarrhea) with abdominal tenderness and FEVER
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Virulence factors of entamoeba
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Galatosamine adherence LECTIN, proteinases that degrade WBC
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Diagnosis of entamoeba histolytica
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3 stools with cysts or trophozoites, stool antigen (**), serum serologies
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Diagnosis of entamoeba histolytica liver abscess (+ and - on the fine needle aspiration)
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+ for "anchovy paste" and - WBC and amebae (at the periphery of the abscess)
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Treatment for entamoeba histolytica
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Metronidazole + Paromomyinc + Iodoquinol
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Most common extra-intestinal manifestation of entamoeba histolytica
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Liver abscess
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most common enteric parasite in US and Canada
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Giardia Lamblia
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Presentation of giardia
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NON-inflammatory diarrhea (malabsorptive, steatorrhea, weight loss) but NO blood, NO mucous and NO fever
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Giardia diagnosis
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Microscopic examination of 3 stools (gold standard) or ELISA for antigen (best test)
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Treatment of giardia
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Metronidazole
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organism that is NOT killed by chlorine
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Cryptosporidium oocyst
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Treatment for cryptosporidium
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NOTHING! Antimotility agents and reconstitue immune system
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Presentation of cryptosporidium
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Asymptomatic to devistating diarrhea (up to 17 liters per day). Worse in immunocompromised patients
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Diagnosis for cryptosporidium
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ELISA or microscopic evaluation with ACID FAST statining
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Which parasitic orgnaism will stain with acid-fast stain?
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Cryptosporidium
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3 categories within HELMINTHS
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Roundworms, tapeworms and flukes
(Nematodes, Cestodes and Trematodes) |
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Types of nematodes (roundworms)
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Ascaris, enterobius, hookworm and strongyloides
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Most common intestinal parasitic infection WORLDWIDE
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Ascaris
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Transmission of ascaris
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Fecal-oral (water or SOIL)
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Treatment of ascaris
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Mebendazole or albendazole
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Treatment of enterobius
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Mebendazole (treat whole family)
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Where does enterobius occupy in GIT?
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Anal region (migrate OUT at night)
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Symptoms of enterobius
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Nocturnal perianal itching (allergic rxn to the worm protein)
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Cutaneous Larva Migrans associated with which parasite?
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Hookwork
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How do humans get tapeworms?
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By eating the cysticerci in the MUSCLE of pigs or cows
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2 different tapeworms
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Teniasis solium = pig, Teniasis saginata = cow
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Most common tapeworm in NC
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Teniasis solium
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Most common cause of seizures WORLDWIDE
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Cysticercosis (from tapeworm)
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