What are the most common etiologies of community-acquired pneumonia (CAP) in ICU?

Updated: Sep 30, 2020
  • Author: Justina Gamache, MD; Chief Editor: Guy W Soo Hoo, MD, MPH  more...
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The most common etiologies of CAP in the ICU inpatient setting, in descending order of frequency, are as follows [3] : S pneumoniae, S aureus, Legionella species, and Gram-negative bacilli.

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