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Unformatted text preview: invasive properties of the strain and the degree of colonic involvement. This category includes Salmonella, Yersinia and V. parahaemolyticus. Pseudomembranous colitis and antibiotic-associated diarrhea, caused by Clostridium difficile, have unpredictable findings with regard to cellular elements in the stool. Most cases show a profusion of sloughed epithelial and red blood cells, but only rare polymorphonuclear leukocytes. An acute exacerbation of ulcerative colitis can produce a great discharge of leukocytes and erythrocytes into the stool, resulting in an exudative microscopic appearance that resembles bacillary dysentery. While the fecal microscopic examination is neither infallible nor even helpful in all cases, it is cheap and it does yield immediate information that can guide antibiotic therapy, especially in cases of bacillary dysentery....
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This note was uploaded on 03/02/2012 for the course BSC BSC1086 taught by Professor Joystewart during the Fall '10 term at Broward College.
- Fall '10