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MEDICAL BACTERIOLOGY 3, catalase (+), oxidase (-), microaerophilic/…
MEDICAL BACTERIOLOGY 3
Yersinia
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Yersinia pestis
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Clinical Findings :!:: high fever, buboes, vomiting, diarrhea
How to identify :question:: staining (safety pin shape), McConkey (non-lactose fermenting)
Pseudomonas
Pseudomonas pseudomallei
Distributions: soil, fresh water, rice paddles, and vegetable produce
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Pseudomonas aeruginosa
Pathogenesis :warning:: devoid of normal defenses, attaches, colonizes, invades, systemic
Clinical Findings :!:: mild otitis externa, pneumonia, fatal sepsis, meningitis
How to identify :question:: gram staining, McConkey agar, Mueller Hinton agar
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Vibrio cholerae
Clinical Finding :!:: rice water stool, dehydration, no blood
Pathogenesis :warning:: oral ingestion, reach gaster, migration, multiplication, excretion of cholera toxin
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catalase (+), oxidase (-)
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gram (-), motile, aerobic rods
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curved aerobic rods, motile, polar flagellum
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