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CPAP and AutoSet

™

Technology

ResMed’s AutoSet technology

Using a multiple-breath moving average, the AutoSet algorithm

continuously monitors breathing and responds immediately to any

airway changes, such as ﬂow limitation, snoring and apneas.

Event detection and response

ResMed’s AutoSet assesses the severity of the event — whether it is

limited ﬂow, snoring or an apnea — determines the best pressure solution,

and applies it without delay.

CSA detection

ResMed’s S9 AutoSet uses the forced oscillation technique (FOT) to determine

the state of the airway during an apnea. When an apnea is detected, small

oscillations are added to the pressure to measure airway patency. The CSA

algorithm uses the resulting ﬂow and pressure to measure airway patency

and differentiate central and obstructive events.

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CPAP and AutoSet Technology

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