A 50-year-old presents with watery diarrhea after antibiotics; WBC 18,500/µL, SCr 1.8 (baseline 0.9). Severity?...

Question

A 50-year-old presents with watery diarrhea after antibiotics; WBC 18,500/µL, SCr 1.8 (baseline 0.9). Severity?

Accepted Answer

Severe C. difficile (WBC ≥15,000 or SCr ≥1.5× baseline)

Answer

Non-severe C. difficile

Answer

Fulminant C. difficile only with hypotension

Answer

Indeterminate; CT required

Answer

No C. difficile unless WBC >20,000

us-abfm MCQ (SBA): C. difficile Severity Criteria