Infants
Brassy, barking cough
Can also develop “dying/death spells” that begin after 2–3 months of age
Characterized by cyanosis, apnea, bradycardia, and hypotonia that require resuscitation
Severe
Stridor at rest
Biphasic stridor
Dyspnea with feeding
Expiratory wheezing with respiratory infections
Brassy, barking cough
Can also develop “dying/death spells” that begin after 2–3 months of age
Characterized by cyanosis, apnea, bradycardia, and hypotonia that require resuscitation
Characterized by cyanosis, apnea, bradycardia, and hypotonia that require resuscitation
Stridor at rest
Biphasic stridor
Dyspnea with feeding
Expiratory wheezing with respiratory infections
Tracheomalacia
Larynx fracture
Subglottic stenosis
Tracheobronchial tear/injury
Bronchopulmonary dysplasia
Thyroid gland injury/trauma
Tracheostomy obstruction
Tracheal injury