Sandbox cdi

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Clostridium difficile infection

Overview

Diagnostic Criteria

Classification

Risk Factors

Complete Diagnostic Approach

Management

  • Mild Disease
  • Moderate Disease
  • Severe Disease
  • Complicated Disease
  • First Recurrence
  • Second or Further Recurrence
  • Dos and Don'ts

  • Dos
  • Don'ts
  • Guidelines

    Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

    Overview

    Clostridium difficile infection is the most common infectious cause of nosocomial diarrhea. Clinical presentation ranges across a broad spectrum from asymptomatic carriage, to diarrheal illness, to complicated disease hallmarked by pseudomembranous colitis, toxic megacolon, or bowel perforation. Diagnosis is established by the presence of diarrheal symptoms coupled with positive stool tests or endoscopic findings. Therapeutic approach and antibiotic choice should be stratified according to severity of disease and risk of recurrence.

    Diagnostic Criteria

    Each of the following criteria must be present to fulfill the case definition for C. difficile infection:

    • The presence of diarrhea, defined as passage of 3 or more unformed stools in 24 or fewer consecutive hours AND
    • A stool test positive for the presence of C. difficile organisms, toxins, or genes OR colonoscopic or histopathologic findings demonstrating pseudomembranous colitis

    Classification

    Risk Factors

    Complete Diagnostic Approach

    Dos and Don'ts

    Dos

    Don'ts

    Guidelines

    References