Figure 4: Upper obstruction in the framework of an obstructive apnoea
SAO2: Oxygen saturation, PFLOW: Pharyngeal airflow, NFLOW: Nasal airflow, EPI: Epipharyngeal pressure curve, ORO: Oropharyngeal pressure curve, HYPO: Hypopharyngeal pressure curve, ESO: Oesophageal pressure curve, MIC: Microphone, BODY: Body position, ACT: Body movement, PULS: Pulse frequency