III. Epidemiology

  1. Represents <15% of all Community Acquired Pneumonia

IV. Risk Factors

  1. Debilitated Patients
  2. Chronically ill patients
  3. Alcoholism

V. Diagnosis

VI. Complications

  1. Tissue Necrosis
  2. Lung cavitation
  3. Empyema
  4. Similar to Pneumococcal Pneumonia

VII. Course

  1. Virulent infection with frequent complications

VIII. Labs: Gram Stain

IX. Radiology: Chest XRay

  1. Upper lobes most frequently involved

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