Mycoplasma pnuemonia

• Facts:
  MCC of atypical pneumonia
  No cell wall, aka poorly gram staining
• History / PE:
  Indolent course
  Extrapulmonary manifestations (HA, ST, rash)
  Nonproductive cough
  Erythema multiforme
  Raynaud's phenomenon
• Diagnosis:
  Positive cold agglutinin (IgM) test
• See Also:
  Pneumonia