Pulmonary edema grading

Last revised by Assoc Prof Craig Hacking on 30 Jun 2020

One pulmonary edema grading based on chest radiograph appearances and pulmonary capillary wedge pressure (PCWP) is as follows:

  • grade 0: normal chest radiograph, PCWP 8-12 mmHg
  • grade 1: shows evidence of upper lobe diversion on a chest radiograph, PCWP 13-18 mmHg
  • grade 2: shows interstitial edema on a chest radiograph, PCWP 19-25 mmHg
  • grade 3: shows alveolar edema on a chest radiograph, PCWP >25 mmHg

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Cases and figures

  • Case 1: acute pulmonary edema
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