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Latest revision as of 15:52, 22 May 2014
| PCWP (mm Hg) | Phase of Pulmonary Congestion | Findings on Chest Radiograph |
| 18–20 | Onset of pulmonary congestion | Redistribution of pulmonary flow to the upper lobes ("cephalization") and Kerley lines |
| 20–25 | Moderate congestion | Diminished clarity of the borders of medium-sized pulmonary vessels ("perihilar haze") |
| 25–30 | Severe congestion | Radiolucent grapelike clusters surrounded by radiodense fluid ("periacinar rosette") |
| >30 | Onset of pulmonary edema | Coalescence of periacinar rosettes resulting in "Bat's wing" opacities |