What is a common sign that a patient is experiencing a difficult airway?

A patient experiencing a difficult airway often presents with specific signs that indicate compromised airway function. Stridor, which is a high-pitched, wheezing sound resulting from turbulent airflow through a narrowed or obstructed airway, is a key indicator. Visible distress while breathing, which can manifest as labored breathing, use of accessory muscles, or unusual positioning (such as leaning forward), also suggests that the patient is struggling to maintain adequate ventilation.

In contrast, other signs such as clear and strong breath sounds indicate a patent airway and effective airflow, which does not align with the concept of a difficult airway. Stable vital signs suggest that there is no immediate distress, potentially indicating good respiratory function rather than a problem. A calm demeanor and relaxed posture typically denote that the patient is not in respiratory distress, further supporting the notion that their airway is not compromised. Therefore, the presence of stridor or visible distress while breathing serves as a clear and critical sign of a difficult airway situation that should prompt immediate assessment and intervention.