ResMed III ST-A user manual units centimeters of water

Oxygen saturation			(This screen only
level	SpO2: 98%		appears if ResLink™
Pulse rate	HR: 75	exit	and oximeter are
			attached.)

Figure 6: Treatment screen 4 (only if ResLink and pulse oximeter are attached)

The treatment screens contain the following information:

Treatment mode: Mode of treatment set by your clinician. Options include: CPAP, Spontaneous, Spontaneous/Timed and Timed.

Ramping indicator: Appears if the VPAP III ST-A is in ramp mode. This disappears once the ramp time has elapsed.

Set pressure(s): In CPAP mode, this displays the set treatment pressure (units: centimeters of water). In other modes, it is exhalation and inhalation pressures (units: centimeters of water).

Pressure support: The difference between exhalation and inhalation pressures

(units: centimeters of water).

Trigger indicator: How the VPAP III ST-A changes the pressure when you are inhaling. "S" (Spontaneous) indicates a patient triggered change and "T" (Timed) indicates a device triggered change.

Cycle indicator: How the VPAP III ST-A changes the pressure when you are exhaling. "C" indicates a patient cycled change. "T" (Treatment screen 1), and "TiMn" and "TiMx" (Treatment screen 3) indicate a device cycled change.

Pressure bar graph: Graphical display of the changing pressure.

Leak: Current mask leak (units: liters per minute).

Respiratory rate: Number of breaths per minute.

Minute ventilation: Volume of air inhaled per minute (units: liters per minute). It is the product of respiratory rate and tidal volume.

Tidal volume: Volume of air inhaled per breath (units: milliliters per breath).

Measured inspiration time: The average inhalation time measured by the

VPAP III ST-A.

Set IPAP Max: The maximum inhalation time set by your clinician.

Measured I:E ratio: The inhalation to exhalation ratio measured by the

VPAP III ST-A.

Oxygen saturation level: Percentage of oxygen in your blood stream (only appears if ResLink™ and oximeter are attached).

Pulse rate (HR): Measured in beats per minute (only appears if ResLink and oximeter are attached).

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