| Grade 1 Vascular redistribution mm of Hg | Grade 2 Interstitial edema mm of Hg | Grade 3 Alveolar edema mm of Hg | |
| Acute | 12-19 | 20-25 | >25 |
| Chronic | 15-25 | 25-50 | >30 |
Patterns of edema and pulmonary venous hypertension
Experience is knowledge. Rest is information.