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9 Cards in this Set
- Front
- Back
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Mnemonic EAT for ingested infective stage (embryonic eggs) geohelminths.
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Enterobius (pinworm)
Ascaris (ascarid) Trichuris (whipworm) |
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I infect the small intestine with my filariform larva through the skin, can go through the lungs to trachea. iam passes as Rabditiform larva in the feces. I cause creeping eruptions, pneumonitis, and enteritis. Im associated with autoinfections, transmammary transmission, Zoonotic, and common in immunosuppressed (HIV). What am I?
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Strongyloides stercoralis
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Im a stout worm with buccal capsule (teeth). Infect with my filariform larva (cutaneus larval migrans). Skin-lung-intestine route. Cause creeping eruption, pneumonitis, hypochromic anemia Geohelminth. I have a fragile (thin shell) egg, that segments quickly. What am I?
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Hookworm
(Necator americanus) (Ancylostoma duodenale) |
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Child from a rural part of the southern US in the summer, is running around in moist grassy areas, they develop intestinal manifestations--> protein deficiency (dusty); diarrhea, blood in the stool, hypochromic anemia, failure to thrive. What organism am I?
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Hookworm
(Necator americanus) (Ancylostoma duodenale) |
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Lesions in the skin that itches.
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Ancylostoma brasiliense
Ancylostoma caninum (dog is definitive host) |
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Ileocaecal infection.
Infective stage (embryonic egg: one side is flattened) S/S: Pruritis ani NOT zoonotic; person to person Dx: Celophane tape technique |
Enterobius vermicularis (pinworms):
When body temp falls, worms (female) migrate out the perianal folds, so at night spread from person to person |
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How are hookworms transmitted to humans?
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Larvae penetrating bare skin
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A child in a day-care center is observed scratching the anal canal. The cellophane tape technique produces many eggs (shown). The
most likely agent is: |
Enterobius vermicularis
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An emaciated child from an orphanage routinely experiences loose stools. The tech identifies rhabditiform larvae in the stools.
What is the diagnosis? |
Strongyloidiasis
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