Q.1
C. difficile infection should be suspected in patients with ileus in the setting of relevant risk factors including recent antibiotic use or hospitalization.

Q.2
Laboratory testing can distinguish between C. difficile–associated diarrhea and asymptomatic carriage.

Q.3
Testing for cure is appropriate in patients with severe C. difficile infection.

Q.4
The absence of pseudomembranes rules out C. difficile infection associated diarrhea.

For which patients would you order radiographic imaging of the abdomen?

What type of test is the biofire pathogen panel?

What are the benefits/drawbacks to each of the following tests?

EIA for C. difficile GDH antigen
EIA for C. difficile toxins A and B
PCR testing
Anaerobic culture on selective media
Cell culture cytotoxicity assay

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