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13 Cards in this Set
- Front
- Back
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Enterobiasis (most common Helminth infx US)
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Enterobius vermicularis (pinworm)
Egg Ingestion (autoinfection) Larvae Infx: lumen small int. Adult Infx: cecum, appendix Sx: anal pruritis (itch), restless sleep Lab: Scotch Tape most common Helminth Infx in US |
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Trichuriasis (3rd most common Helminth World)
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Trichuris trichuria (whipworm)
Egg ingestion Larvae Infx: mucosa of Small Int. Adult Infx: Cecum, Appendix Sx: Abd. pain, mucous diarrhea, Eosinophilia, RECTAL PROLAPSE Lab: undeveloped eggs in stool (footballs) |
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Ascariasis (1st most common Helminth World)
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Ascaris lumbricoides (roundworm)
Ingest eggs Larvae Infx: lungs Adult: Small Intestine (lumen) -larvae coughed up then swallowed Sx: cough, pneumonitis, cramps, Intestinal Obstruction, Oral Expulsion Lab: undeveloped eggs in stool |
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Ancylostomiasis
Necatoriasis (2nd most common Helminth World) |
Ancylostoma duodenale, Necator americanus (hookworms)
larvae penetrate skin Larvae Infx: lungs, skin Adult Infx: small intestine (attached) -larvae coughed up then swallowed Sx: Abd. pain, cough, dermatitis, diarrhea, Eosinophilia, Pneumonia, Fe Deficiency, Cardiac Problems Lab: undeveloped eggs in stool |
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Strongyloidiasis
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Strongyloides stercoralis (threadworm)
Larvae penetrate the skin; autoinfection possible Infx: skin, lungs then duodenal mucosa -penetrate lumen instead of coughed up Sx: epigastric pain, cough, diarrhea, Eosinophilia Lab: RHABDITIFORM LARVAE in stool, Aspirates, String Test |
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Trichinosis
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Trichinella spiralis
Ingest. larvae in meat (pork) Larvae Infx: striated muscle, Adult Infx: small Int. (mucosa) Sx: fever, Eosinophilia, muscle pain, orbital edema, SPlinter Hemorrhage, death if reaches CNS Lab: larvae in muscle biopsy, sero. test |
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Anisakiasis
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Anisakis species
Ingest. larvae in marine fish Larvae Infx: stomach, Intestine (mucosa) Adult Infx: none Sx: Epigastric pain, naus/vom, Diarrhea, Eosinophilia Lab: ID of larvae |
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Visceral larva migrans
Ocular larva migrans |
Toxocara canis, Toxocara cati (ascarids)
Ingest. eggs Larvae Infx: Liver, lungs, eyes, brain Adult Infx: none Sx: Hepatomegaly, Hyper-eosinophilia, Hyper-globulinemia Lab: Sero. test, eggs in stool TQ- clinical exposure to puppies |
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Cutaneous larva migrans
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Ancylostoma braziliense, Ancylostoma caninum (dog/cat hookworms)
Larvae penetrate skin Larvae Infx: skin Adult Infx: none Sx: Dermatitis, Pruritus Lab: raised larval tracks in skin |
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Filariasis
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Wuchereria bancrofti, Brugia malayi (elaphentitus)
Mosquitos Larvae Infx: skin, lymphatics Adult Infx: lymphatic system Sx: Fever, lymphangitis, lymphadenitis, eosinophilia Lab: MICROFILARIAE (not eggs) in blood, Sero. test |
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Onchocerciasis
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Onchocerca volvulus (river blindness, africa, S.-Central America)
Black fly Larvae Infx: skin subcutaneous Adult Infx: subcutaneous nodules Sx: blindness, Eosinophilia, hypersensitivity, pruritus and several skin conditions, visual impairment Lab: MICROFILARIAE in skin biospy |
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Loiasis
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Loa Loa (eye worm)
Deer Fly Larvae Infx: Subcutaneous Infx Adult Infx: migrate in subcutaneous tissue across eye Sx: Calabar (red itchy swelling), Pruritus, Eosinophilia Lab: MICROFILARIAE in blood |
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Dracunculiasis
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Dracunculus mediniensis (Guinea worm)
Ingest. larvae and infected Copepods Larvae Infx: Intestinal tract, deep connective tissue, retroperitoneal cavity Adult Infx: CT, subcutaneous tissue, dermis Sx: Pruritus, blister, ulcer, eosinophilia, Allergic rxn Lab: adult worm in lesion, larvae from ulcer |
