ARDS
ARDS on chest x-ray: phases
ACUTE EXUDATIVE PHASE
- First week
- First findings > 12 hours after insult
- Patchy alveolar infiltrates
- bilateral
- gravity dependent, both central and peripheral
- costophrenic angles are spared
- air-bronchograms
- Kerley lines are uncommon
- Infiltrates coalesce to large dense air-space bilateral shadows
FIBROTIC PHASE
- Begins as early as in the second week
Updated 8/8/2013 10:01 by Lambert
ARDS on chest X-ray: stages
Acquired respiratory distress syndrome on chest radiograph
| Stage | Description |
|---|---|
| I. | Perihilous streaky opacities, incipient interstitial edema |
| II. | Diffuse, more or less homogeneous opacities, event. batwing appearance |
| III. | Increased opacity of shadows due to edema of bronchial wall, event. bronchogram sign |
| IV. | Confluent shadows of increasing size |
Updated 4/8/2013 21:46 by Lambert
