II. Epidemiology

  1. Highest Incidence among elderly
    1. Nursing Home epidemics have recently been identified
    2. Reference
      1. Troy (1997) JAMA 277:1214-8 [PubMed]
  2. Also common in young adults
  3. Causes 6-10% of community acquired Pneumonia
  4. Higher risk with comrobid illness

III. Symptoms

  1. Atypical Pneumonia presentation
    1. Similar to Mycoplasma pneumoniae
  2. Cough (88%): Minimally productive if at all
  3. Fever (80%)
  4. Shortness of Breath (73%)
  5. Chills (73%)
  6. Nausea (73%
  7. Headache (56%)
  8. Myalgia (50%)
  9. Chest Pain (46%)
  10. Rhinitis (46%)
  11. Diarrhea (42%)
  12. Sore Throat (42%)
  13. Hoarseness (36%)

IV. Labs

V. Radiology: Chest XRay

  1. Localized segmental infiltrate

VI. Management: Antibiotic for 10 to 14 days

VII. Prognosis

  1. Mortality may approach 9% in edlerly with comorbidity

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