A 38-year-old woman arrives at an urgent care clinic after a house fire, reporting she was in a smoke-filled room for approximately 10 minutes before escaping. She has soot around her nostrils, a hoarse voice, and singed nasal hairs. Her oxygen saturation reads 98% on room air, and she denies chest pain, but she appears anxious and is coughing intermittently. Which finding should the nurse recognize as most concerning for impending airway compromise?
- Hoarseness of voice with singed nasal hairs
- Oxygen saturation of 98% on room air
- Intermittent coughing
- Reported anxiety about the fire