A 34 year old male has blunt trauma to his face and neck after a car crash. You note crackles when palpating the anterior neck. He is unable to speak and has stridorous respirations. What should you suspect?

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When the neck is struck and you feel crackling or hear/feel crepitus there, it means air has leaked into the soft tissues (subcutaneous emphysema) from the airway. The combination of subcutaneous emphysema in the neck with an inability to speak and audible or “stridorous” breathing signals that the airway is disrupted at a high level, near the larynx.

Fracturing the laryngeal framework is the classic injury that explains both findings: air escapes into the neck tissues from a torn or displaced laryngeal cartilage, producing crepitus, while damage to the vocal apparatus causes voice loss or alteration and can produce stridor due to partial airway obstruction. Epiglottitis is infection-related and would usually present with fever, sore throat, and drooling rather than trauma-induced subcutaneous air. Airway edema can cause breathing trouble but typically lacks the palpable crepitus from subcutaneous air, and tracheal injury would also be a possibility but the neck crepitus with trauma most strongly points to a fractured larynx. This scenario warrants rapid airway assessment and definitive management in a controlled setting.