Legionairre's disease Legionella pneumophilia

• Facts:
  Caused by an intracellular Gram negative organism commonly spread by cooling towers and water supplies
• History / PE:
  Fever, cough
  Lung consolidation
  GI symtoms (diarrhea, abdominal pain)
• Diagnosis:
  Hyponatremia
  Elevated LFTs
  Urinary antigen test
  Culture on charcoal agar
• Treatment:
  Azithromycin
  Levofloxacin