What do pulse oximetry findings and C-reactive protein (CRP) levels contribute to the clinical picture of bacterial pneumonia?

Updated: Sep 30, 2020
  • Author: Justina Gamache, MD; Chief Editor: Guy W Soo Hoo, MD, MPH  more...
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A pulse oximetry finding of less than 90-92% indicates significant hypoxia, and an elevated C-reactive protein (CRP) level may be predictive of more serious disease. [58] However, CRP has not been clearly shown to differentiate bacterial versus viral illness

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