Laryngospasm
Last Academic Update: May 3, 2026
Overview
A practical and academic emergency approach to acute laryngospasm as a sudden reflex event, not as chronic airway edema or infection. This is not croup, angioedema, or epiglottitis. The problem is that the vocal cords have reflexively closed over an airway that may have been normal seconds earlier. The on-call decision is not “what is the full differential?” The decision is: stop the trigger, open the airway, deliver 100% oxygen with positive pressure, and escalate before stridor becomes silence and hypoxia.
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