It is an infection of the subglottic tissue with edema caused by a virus. Hypoglottic laryngitis occurs mainly in children under three years of age, with sudden onset after previous airway inflammation.
The most common symptoms are cough and inspiratory stridor. It is very important to calm the child and proceed with aerosols of beclomethasone and Salbutamol every 4 hours.
The examinations to be performed are lateral neck Rx and possible blood gas analysis. Necessary is clinical monitoring with assessment of general status and dyspnea and instrumental with assessment of HR, FR, O2 saturation.
Source: Mediserve‘s Medical Emergencies in Pediatrics.