Signs | 0 | 1 | 2 | 3 |
Suprasternal indrawing | Absent | Present | ||
Scalene retractions | Absent | Present | ||
Wheezing | Absent | Expiratory only | Inspiratory and expiratory | Audible without stethoscope/silent chest |
Air entry | Normal | Decreased at bases | Widespread decrease | Absent/minimal |