CAP Diagnostic Parameters

Common Clinical Features

  • cough
  • fever
  • pleuritic chest pain
  • dyspnea
  • sputum production

Correlate clinical features with laboratory (i.e. leukocytosis) and radiological investigations (chest radiograph should be done in patients suspected of having pneumonia).

Rule out other potential diagnoses such as CHF, PE, viral infection, etc.

If diagnosis of CAP is made, risk stratify patient to determine best course of empiric antibiotic treatment.

Common Pathogens

Streptococcus pneumonia, Mycoplasma pneumonia, Haemophilus influenza, Chlamydophila pneumonia, Legionella species, respiratory viruses

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