Low yield Nematodes

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  1. Trichinella spiralis
    • undercooked meat, usually port, inflammation of muscle (larvae encyst in muscle), periorbital edema
    • CV: went bear hunting think Trichinella
    • -bendazoles
  2. Wuchereria bancrofti, Brugia
    • Female mosquito
    • causes blockage of lymphatic vessels (elephantiasis)
    • takes 9 months to 1 year after bite to get elephantiasis symptoms
    • Diethylcarbamazine and surgical reconstruction
  3. Loa loa
    • transmitted by deer fly, horse fly, and mango fly
    • causes swelling in skin (can see worm crawling in conjunctiva)
    • -diethylcarbamazine
  4. Onchocerca volvulus
    • transmitted by female blackflies
    • causes hyperpigmented skin, river blindness, nodules that are not painful
    • Diagnosis: skin clipping from nodule and looking for microfilariae
    • Rx: Ivermectin and surgical removal of nodules
  5. Dracunculus medinensis
    • ingestion of water containing infected copepods
    • skin inflammaiton and ulceration
    • worm comes out of the ulcer
    • Metronidazole
Card Set
Low yield Nematodes
low yield bugs
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