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19 Cards in this Set
- Front
- Back
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How many species of Paragonimus are there that will infect humans?
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Over 10
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What is the Most Common?
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P. Westermani
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Where does it occur?
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Usually in the Far East
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What about other species? Where can you find them?
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Asia, Americas, Africa
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How long may these infections persist?
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Up to 20 years in humans
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In the lifecycle, how does the unembryonated egg leave the human?
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In Stool or sputum
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Where does the unembryonated egg mature?
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Several steps in the envrionment
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How does it get consumed by humans?
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In undercooked/pickled crab or crayfish
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How does it get to the lungs?
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It burrows from the duodenum through the intestinal wall, through the diaphragm, to the lungs (where they mature)
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How long does the adult fluke grow?
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7.5 to 12 mm by 4 to 6 mm
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How do eggs get back in the stool (since they are laid in the lungs)?
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coughed up, then swallowed
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What are acute phase (invasion and migration) signs and sxs of paragonimiasis?
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Diarrhea, Abd pain, Fever, cough, urticaria, Hepatosplenomegaly, pulmonary abnormalities, Eosinophilia
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What are chronic phase signs and sxs?
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Cough, discolored sputum, Hemoptysis, CXR abnormalities (not explained in lesson)
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What is a diagnostic finding?
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eggs in sputum or stool 2-3 months after infection
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What is the confirmatory diagnostic finding?
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Biopsy MAY allow diagnostic confirmation
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What other lab value has diagnostic value?
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Compliment fixation and Enzyme immunoassay (EIA)
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What abnormalities will there be on x-ray?
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non-diagnostic abnormalities
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What is the available treatment for Paragonimiasis?
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Praziquantel and Bithionol (Bitin)
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Catch phrases for paragonimiasis
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"1. moderate to severe productive cough, 2. blood tinged sputum that is remarkably foul, 3. long hx of not feeling right, 4. abd pain with ""all over urticaria"", 5. India and Southwest Asia, 6. fever, 7. Upper quadrant infiltrates next to pleural space"
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