Central Sleep Apnea Detection; Leak Management With Vsync; Comfort Features; Ramp - ResMed AirCurve 10 VAUTO Clinical Manual

Central sleep apnea detection

Central sleep apnea detection is available in VAuto, CPAP and S modes (when Easy-Breathe is
enabled) on AirCurve 10 VAuto and AirCurve 10 S devices.
The AirCurve 10 has central sleep apnea (CSA) detection. The Summary and Detailed Data of these
parameters are available to view on ResMed's patient compliance software (data availability
depends on device mode and parameter measured).
The device detects both obstructive and central sleep apneas (CSA). CSA detection uses the Forced
Oscillation Technique (FOT) to determine the state of the patient's airway during an apnea. When an
apnea has been detected, small oscillations in pressure [1 cm H O (1 hPa) peak-to-peak at 4 Hz] are
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added to the current device pressure. The CSA detection algorithm uses the resulting flow and
pressure (determined at the mask) to measure the airway patency.

Leak management with VSync

Using ResMed's VSync algorithm, the AirCurve 10 device monitors and compensates for leak by
continuously and automatically adjusting the baseline flow. This enables reliable delivery of therapy
pressure while maintaining patient-device synchrony.

Comfort features

Ramp

Designed to make the beginning of treatment more comfortable, ramp is available in all modes.
In VAuto, S, ST and T modes the ramp functions as follows:
In VAuto, S, T and ST modes, the EPAP gradually increases from the Start EPAP to the prescribed
treatment pressure. Throughout Ramp, Pressure Support is maintained at the same level as that set
for treatment.
In CPAP mode, the pressure increases from a low pressure (Start Pressure) to the prescribed
treatment pressure.
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