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Guidelines
Pathogens
Antimicrobials
Standard Diagnostics
C. difficile toxin assay
Routine labs, especially renal function
Imaging (plain film abdo, CT abdo) should be considered in patients with abdominal tenderness, as well as those with complicated or severe disease, to assess for ileus, perforation, megacolon, bowel wall thickening
Endoscopy (signmoidoscopy or colonoscopy) to assess for pseudomembranous colitis especially helpful when diagnosis uncertain and to assess for alternate causes with optimal sample collection
Age > 60
Temp > 38.3ºC
Albumin <25g/L
WBC > 15 x 10⁹/L
Endoscopic diagnosis of pseudomembranous colitis