title: Acute and subacute upper airway obstruction.
mesh_terms: D000038:Abscess / Q000150:complications / Q000000981:diagnostic imaging; D000293:Adolescent; D000328:Adult; D000402:Airway Obstruction / Q000000981:diagnostic imaging* / Q000209:etiology; D002648:Child; D002675:Child, Preschool; D003440:Croup / Q000150:complications / Q000000981:diagnostic imaging; D004826:Epiglottitis / Q000150:complications / Q000000981:diagnostic imaging; D005547:Foreign Bodies / Q000150:complications / Q000000981:diagnostic imaging; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009333:Neck / Q000000981:diagnostic imaging; D019838:Neck Injuries; D014066:Palatine Tonsil / Q000000981:diagnostic imaging / Q000473:pathology; D010608:Pharyngeal Diseases / Q000150:complications / Q000000981:diagnostic imaging / Q000473:pathology; D011859:Radiography