Stridor | None: 0 |
With agitation: +1 |
At rest: +2 |
Chest wall retractions | None: 0 |
Mild: +1 |
Moderate: +2 |
Severe: +3 |
Cyanosis | None: 0 |
With agitation: +4 |
At rest: +5 |
Level of consciousness | Normal: 0 |
Disoriented: +5 |
Air entry | Normal: 0 |
Decreased: +1 |
Markedly decreased: +2 |
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Mild croup (WCS ≤2): occasionally barky cough, no audible stridor at rest, and no to mild suprasternal and/or intercostal indrawing (retractions of the skin of the chest wall)
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Moderate croup (WCS 3-5): frequent barky cough, easily audible stridor at rest, and suprasternal and sternal wall retractions at rest, but no or little distress or agitation
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Severe croup (WCS 6-11): frequent barky cough, prominent inspiratory and occasionally expiratory stridor, marked sternal and wall retractions, and significant distress and agitation
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Impending respiratory failure (WCS >11): barky cough, audible stridor at rest, sternal and wall retractions, lethargy or decreased level of consciousness and often dusky appearance without supplemental oxygen
