Which sign indicates an acute airway obstruction in a dental office emergency?

• A. Crowing noise with rocking-horse abdominal movement
• B. Loud snoring during sleep
• C. Persistent coughing without distress
• D. Slow, shallow breathing with lips blue

Answer: (A)

Recognizing acute airway obstruction comes down to the body showing true trouble getting air in. A crowing, high-pitched noise during inhalation signals turbulent airflow through a narrowed upper airway, which is a hallmark of an obstruction. When this is accompanied by a rocking-horse abdominal movement—where the abdomen is doing most of the work to help pull air in—the patient is clearly in severe respiratory distress and the airway is compromised. This combination means immediate action is needed to relieve the obstruction and support breathing.

Other signs describe airway issues or distress but don’t point as directly to an acute blockage. Noisy snoring during sleep suggests obstructive sleep-related breathing issues rather than an acute in-the-moment obstruction. Persistent coughing without distress can occur with irritation but doesn’t show urgent airway blockage. Slow, shallow breathing with lips blue indicates significant hypoxia or respiratory failure, but it’s a late or generalized sign rather than a direct indication of an acute obstruction at the moment.