Table 2.
Signs | 0 | 1 | 2 | 3 |
---|---|---|---|---|
Suprasternal muscle contraction |
Absent |
|
Present |
|
Scalene muscle contraction |
Absent |
|
Present |
|
Air entry* |
Normal |
Decreased at bases |
Widespread decrease |
Absent/minimal |
Wheezing* |
Absent |
Expiratory only |
Inspiratory and expiratory |
Audible without stethoscope/silent chest with minimal air entry |
O2 saturation | ≥95% | 92%-94% | <92% |
*in case of asymmetry, the worst lung is rated.