Term
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Definition
| LPS (serotyping).. different O Ag will stimulate diff immune responses |
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Term
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Definition
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Term
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Definition
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Term
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Definition
systemic dz that begins in intestine then invades lyphoid tissue and reticuloendothelium. Sxs: fever and HA and ROSE SPOTS on trunk. Caused by S. Typhi
-15% mortality if untx'd |
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Term
| Enterotoxigenic E. Coli (eTec) |
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Definition
-2 toxins: ST(heat stable increases cGMP) and LT (heat labile increases cAMP)
-traveller's diarrhea |
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Term
| Enteropathogenic E. Coli (ePec) |
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Definition
-persistant secretory diarrhea caused by shiga-like toxin (but w.o invasion- only destroying mv in SI) in infants
-transmitted in utero or at birth |
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Term
| Enterohemorrhagic E. Coli (eHec) |
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Definition
-hemorrhagic colitis and HUS (acute renal failure w/ fever, uremia and thrombocytopenia)
-shigalike toxin destroys cells of glomerular capillaries |
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Term
| Enteroinvasive E. Coli (eIec) |
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Definition
| -shigella-like dysentery with fever and hematochezia |
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Term
| Enteroadherent E. Coli (eAec) |
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Definition
| -persistant secretory/Traveller's Diarrhea in kids and HIV pts |
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Term
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Definition
-Gram - intracellular anaerobe causing wide spectrum of dz
-8-48 hours post ingestion of contaminated food/water
Sxs: acute onset fever/chills, n/v/d, abd cramps x 3-7 days |
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Term
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Definition
| Leading cause of food borne dz in USA |
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Term
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Definition
-can pass through 2 micro filter
-most common bacterial infection in humans
-microaerophilic
-can cause inflam diarrhea or systemic dz as well as 'pseudoappendicitis' |
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Term
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Definition
-acute enteritis x several weeks with systemic and abd sxs
-1-7 days incubation |
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Term
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Definition
-bacteremia
-diarrheal illness less frequently |
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Term
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Definition
Gram - intracellular fac. anaerobe causing bacillary dysentery or shigellosis (Group D S. Sonnei most common)
-transmitted from person to person
-very high virulence (<200 bacteria to see sxs) |
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Term
| V. Cholerae (need NaCl environment) |
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Definition
-infects SI; cholera toxin increases cAMP causing profuse sec. diarrhea and massive fluid/electrolyte loss.
-untx'd: hypovolemic shock- can die within hours or days |
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Term
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Definition
| -results from eating undercooked, contaminated shellfish |
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Term
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Definition
-motile at 25 degrees but not at 37 degrees
-transmitted via ingestion of contaminated food like raw meat at room temp
-will see ulcerative lesions in ileum and necrotic lesions in PP |
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Term
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Definition
-gastroenteritis w/o diarrhea.
-lymphadenitis and sxs mimicking appendicitis |
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Term
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Definition
| destroys tissue in LI and multiplies in PP |
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Term
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Definition
-chronic antral gastritis, linked to gastric CA
-transmitted from person to person
-may be due to overuse of abx in infants
-non-invasive, lives in mucosal lining and recruits inflam cells
-urease + |
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