45e3b46b___Knowing_How_Bad_an_Attack_Is__of_your_child_s_asthma_attack_Severe_attack
[Factor] Wheezing [Mild attack] Wheezes while breathing out [Moderate attack] Wheezes while breathing in and out [Severe attack] 
Does not wheeze while breathing. This indicates little or no air in the airways.
Asthma in Children: Knowing How Bad an Attack Is