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Cards In This Set
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Association with UTI & Diarrheal diseases
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Enteroadherant E-Coli
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Assoiciated with Poor Sanitation
fecal/oral known as infantile E-coli
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Enteropathogenic E-Coli
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Travelor's Diarrhea/Montezuma Revenge
2 Toxins: Heat Stable & Heat Labile
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Enterotoxogenic E-Coli
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Invades Intestine and causes Dysentary
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Enteroinvasive E-Coli
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0:157: H7 strain causes hemmorhagic diarrhea and colitis
Phage encoded toxins (HUS)
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Enterohemorrhagic E-Coli
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What fluorescent product is produced if Beta glucoronidase is present. This test is always negative for 0:157: H7
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 MUG |
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0157: H7 fails to ferment this sorbitol
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 MAC Sorbitol |
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What pathogen is associated with poor sanitation, gastroenteritis, invasive, and paratyphoid fever?
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 Salmonella Mac = non-lactose fermenter. (ONPG-). It shows H2S production on other selective media. -/+ with gas and H2S on KIA Citrate is positive for subgroup I except the typhoids Lysine+ Motile |
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What Antigens can be present in Salmonella?
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O antigen – heat stable cell wall liposaccharide
H antigen – flagellar antigen – floccular (Heat labile)
Vi or K antigen – capsular antigen or surface antigen. (heat labile)
Titers of 1:80 are suggestive and 1:160 significant. Look for 4 fold rise in titer.
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Causes Dysentary, severe diarreaha, HUS, bacilliary dysentary has Verotoxin (Shiga toxin), and can be grouped.
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 Shigella Species: S. Dysnetariae (Group A) S. Flexneri (Group B) S. Boydii (Group C) S. Sonnei (Group D) |
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Causative agent of the plague, contact with household pets, accute enteritis, and seen in rodents (guinea pigs) has bull's eye look on CIN plate
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 Yersinia species: Y. Pestis Y. Enterolitica Y. Psedotubercolosis |
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Halophilic, can get from contaminated seafood, Sereogroup 01 in pandemic infections, watery rice stools, Sepsis & liver in the elderly .
String Test Method
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 Vibrio Species: V. Cholera V. Parahemolyticus V. Vulnificans |
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OX+ found in salt water, bloody mucous, and rice stool
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 Aeromonas species |
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OX- found in fresh water, Esturarine, and soil
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 Plesiomonas |
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Most common cause of diarrhea, bloody & pus in stools, darting motility
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 Campylobacter |
