45e3b46b___Knowing_How_Bad_an_Attack_Is__of_your_child_s_asthma_attack_Severe_attack
[Factor] Chest [Mild attack] Does not or slightly uses chest muscles to breathe [Moderate attack] Uses chest and neck muscles to breathe. The skin between, under, and above the ribs collapses inward with each breath. [Severe attack] 
Uses chest and neck muscles to breathe and may open nostrils wide; may clutch at the chest
Asthma in Children: Knowing How Bad an Attack Is