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43 Cards in this Set
- Front
- Back
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What is the cardinal sign of Onchocerca Volvulus?
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Blindness
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What is the cardinal sign of Wuchereria bancrofti?
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Elephantiasis or lymphedema
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What is the cardinal sign of Strongyloides Stercoralis?
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Autoinfection
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What is the cardinal sign of Enterobius vermicularis?
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Perianal pruritis
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What is the cardinal sign of Ancylostoma and Necator?
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Microcytic anemia (bld loss)
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What is the cardinal sign of Trichuris trichiura?
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Rectal prolapse
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What is the cardinal sign of Schistosoma heamatobium?
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Hematuria and bladder cancer
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What is the cardinal sign of Schistosoma mansoni?
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Portal hypertension / esophageal varices
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What is the cardinal sign of Taenia Solium?
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Brain cysts / seizures
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What is the cardinal sign of Echinococcus?
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Liver cysts
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What is the general treatment for most nematodes?
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Mebendazole (a vermafuge)
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How is the diagnosis for most nematodes made?
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Eggs in stool
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What is Loeffler’s syndrome and what infectious agent is it associated with?
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Pneumonia w/ eosinophilia assoc w/ Ascaris Lumbricoides Infec
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What is the definitive host for Trichuris Trichiura?
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Humans
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How do Ancylostoma and Necator enter the body?
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Larva penetrate the skin
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What is the mechanism of pathogenesis in Trichinella Spiralis?
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Ingest LIVE organism and larvae invade and calcify muscle
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How is Wuchereria bancrofti spread?
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Mosquito bite
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How is Wuchereria bancrofti treated?
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Heteraza (diethylcarbamazine)
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How is Onchocerca Volvulus spread?
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Black Fly
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What is the treatment for Onchocerca Volvulus?
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Ivermectin
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What is the risks associated with removal of cysts caused by Echinococcus Granulosus?
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Anaphylactic shock
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What is the necessary intermediate hosts in Schistosomas?
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Snail
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What organism does the adult female live inside adult male groove?
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Schistosomes are not hermaphrodites like other trematodes
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What type of worms are the nematodes?
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Round Worms
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What are the ten clinically significant round worms?
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Onchocerca volvulus
Wuchereria bancrofti Trichinella spiralis Enterobius vermicularis Strongyloides stercoralis Necator americanus (new world) and Ancylostoma duodenale Toxocara canis Trichuris trichiura Ascaris lumbricoides |
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Which nematodes are transmitted by ingestion of eggs?
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"ATE eggs":
Ascaris Lumbricoides Trichuris trichuira Enterobius vermicularis spread by ingestion of eggs (vs skin invasion or insect bite) |
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Which round worms are transmitted by direct invasion of skin by larval forms?
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Strongyloides stercoralis
Necator americanus (new world) and Ancylostoma |
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Which nematodes are transmitted by ingestion of meat containing larvae?
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Trichinella spiralis
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Which nematodes are transmitted by insects tranmitting the larvae?
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Wuchereria bancrofti
Onchocerca volvulus |
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What clincal problem do round worms cause?
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Ascaris lumbricoides causes obstruction and malabsorption
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What clincal problem do whip worms cause?
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Trichuris trichiura causes prolapsed rectum
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What clincal problem do hook worms cause?
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Necator americanus (new world) and Ancylostoma duodenale (old world) cause anemia
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What clincal problem do pin worms cause?
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Enterobius vermicularis causes anal itch
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What clincal problem do filarial worms cause?
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Wuchereria bancrofti - elephantitis
Onchocerca volvulus - blindness |
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What is unique about the treatment of Trichinella spiralis compared to other nematodes?
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Treatment-None, supportive therapy.
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What are the 3 medically relevant cestodes?
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Taenia saginata (beef tapeworm
Taenia solium (pork tapeworm) Echinococcus granulosus |
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What is the Definitive host for Echinococcus granulosus?
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Dog or wolf
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What is the Definitive host for Taenia saginata (beef tapeworm Taenia solium (pork tapeworm)?
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Humans
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What are the medically relevant Trematodes?
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All Schistosomes: mansoni, japonicum and hematobium
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What are Trematodes?
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Flukes
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How is Taenia saginata (beef tapeworm Taenia solium (pork tapeworm)transmitted?
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Undercooked beef or pork
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What is the primary treatment for the trematodes and the cestodes?
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Praziquantel
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What are cestodes?
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Tapeworms
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