How is a pleural effusion detected in community-acquired pneumonia (CAP)?

Updated: Oct 31, 2019
  • Author: Stephanie L Baer, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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Pleural effusion, if large enough, may be detectable on physical examination. Patients with a pleural effusion have decreased tactile fremitus, decreased breath sounds on auscultation, and dullness on chest percussion.

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