Table 5.
Comparative table of different acute respiratory disorders
| A-lines | B-lines | Lung sliding | Pulse | Particular characteristics | |
| Normal | Present | Rare | Present | Present | |
| Pneumothorax | Present | Never | Absent | Absent | Lung point |
| Pleural effusion | Absent | Absent | Absent | Absent | Presence of B-lines in cases of concomitant interstitial syndrome or pneumonia |
| Interstitial syndrome | Absent | Multiple | Present | Present | B-lines crowded and confluent (white lung) |