Croup Score
                        ===========

 - Inspiratory Stridor
  + None                                0
  + At rest, with stethoscope           1
  + At rest, without stethoscope        2
 - Retractions
  + None                                0
  + Mild                                1
  + Moderate                            2
  + Severe                              3
 - Air Entry
  + Normal                              0
  + Decreased                           1
  + Severely Decreased                  2
 - Cyanosis
  + None                                0
  + With agitation                      4
  + At rest                             5
 - Level of Consciousness
  + Normal                              0
  + Altered                             5
  [Kunkel NC, Baker MD. Use of racemic epinephrine, dexamethasone, and mist in
  the outpatient management of croup. Pediatr Emerg Care 1996;12(3):156-159.]