Table 1 Definition of clinical terms referenced in this study.

From: Transformers for rapid detection of airway stenosis and stridor

Name

Description

Conditions or causes

Upper airway stenosis

Upper airway narrowing including narrowing at any level of the supraglottis, glottis, subglottis or trachea

Supraglottic stenosis

Posterior glottic stenosis

Subglottic stenosis

Tracheal stenosis

Bilateral vocal fold paralysis

Stridor

Audible respiratory sound due to turbulent airflow in the upper airway caused by airway narrowing

Upper airway stenosis

Epiglottitis

Hypopharyngeal/oropharyngeal masses

Laryngeal edema

Trauma

Inhalation injury

Infection