Which conditions are included in the differential diagnoses of Legionnaires disease?

Updated: Aug 24, 2018
  • Author: Burke A Cunha, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Patients diagnosed with Legionella pneumonia are not coinfected with other organisms (eg, pneumococcal species). The differential diagnoses include other atypical pathogens (eg, Mycoplasma, psittacosis), Chlamydophila pneumoniae, tularemia, and Coxiella burnetii.L pneumophila bacterium represents a definite pathogen; therefore, its isolation always indicates infection.

Differentials in Legionnaires disease (LD) also include the following:

  • Aspiration pneumonia

  • Bacterial pneumonia

  • Viral pneumonia

  • Prostatitis

  • Respiratory distress syndrome

  • Septic shock

  • Typical community-acquired pneumonias (CAPs)

  • Atypical CAPs

  • Severe CAP

Differentials


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