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. 2011 Dec 1;34(12):1693–1698. doi: 10.5665/sleep.1438

Figure 1.

Figure 1

A 5-min epoch of a polysomnogram showing EPAP pressure automatically titrating in response to partially closed airway. LEOG, Left Eye; REOG, Right Eye; CHIN, CHIN EMG; THO, Thoracic Belt; CFLOW, Patient Flow; ABD, Abdominal Belt; PatPress, Patient Pressure; SetIPAP, IPAP pressure; SetEPAP, EPAP pressure; Micro, Snore Microphone; SpO2, Oxygen Saturation.