Inducible Laryngeal Obstruction in Severe Asthma in Severe Asthma

Participants walks on a tredmill with a a flexible naso-laryngoscope in the larynx allowing visulasion of the larynx and obstructions in the larynx at the epiglottic og glottic levels are scored

Overnight respiratory polygraphy is a continuous recording of nasal airflow, thoracic and abdominal movements, heart rate and oxygen saturation during the night used to detected sleep apnoea