
| Color | normal dusky cyanotic cyanotic on O(2) |
| Air movement | normal mild decrease moderate decrease marked (down) |
| Retractions | none mild moderate severe |
| Mentation | normal restless lethargic obtunded |
| Stridor | none mild moderate severe/obstructed |

Croup Score (add the 5 elements together) 1
| Feature | 0 | 1 | 2 | 3 |
|---|---|---|---|---|
| Color | normal | dusky | cyanotic | cyanotic on O 2 |
| Air movement | normal | mild decrease | moderate decrease | marked decrease |
| Retractions | none | mild | moderate | severe |
| Mentation | normal | restless | lethargic | obtunded |
| Stridor | none | mild | moderate | severe/obstructed |
| Total score | Severity | Treatment |
|---|---|---|
| 0-4 | mild | cool mist, home care |
| 5-6 | mild/moderate | cool mist, admit if <6 months or unreliable family |
| 7-8 | moderate | racemic epinephrine, consider steroids, admit most |
| 9-14 | severe | racemic epinephrine, steroids, ICU admission |
| 15 | terminal | racemic epinephrine, steroids, intubation |
1 Any category with score of 3, classify as severe. Taussig: Am J Dis Child 1975; 129:790.
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