14
Treatment screen parameters
Parameter Modes Description
CPAP
AutoSet
VAuto
S
ST
T
PAC
iVAPS
ASV
ASVAuto
Leak 9999999999Estimate of the total rate of
air escaping due to mouth and
unintentional mask leaks, expressed in
L/min (5-breath moving average).
Minute Ventilation (MV) 9999999999Volume of air breathed in, or out within
any 60-second period, expressed in
L/min (5-breath moving average).
Target Minute
Ventilation (TgMv)
9 9 Minute ventilation the device is
attempting to achieve. Pressure support
increases if the minute ventilation falls
below the target,and decreases if it
goes above the target.
Respiratory rate (RR) 9999999999Frequency of breathing, expressed
as the number of breaths per minute
(5-breath moving average).
Tidal volume (Vt) 9999999999Volume of air inspired or expired in one
respiratory cycle (breath), expressed in
mL (5-breath moving average).
Pressure support (PS) 99999999Difference between IPAP and EPAP.
Alveolar minute
ventilation (Va)
9Minute volume without dead space,
expressed in L/min.
Target alveloar
ventilation (TgVa)
9Target alveolar minute ventilation that
determines the amount of pressure
support required, expressed in
L/min.
Ti 99999999Duration of inspiration (ie, the
respiratory flow into the lungs),
expressed in seconds (5-breath moving
average).
I:E 99999999 Inspiration to expiration ratio measured
by the device (5-breath moving
average).
Ti Max 9 9 9 9 Maximum inspiration time in seconds
Ti Min 9 9 9 9 Minimum inspiration time in seconds.
% Spontaneous
Triggering or Cycling
(%Spont Trig or
%Spont Cyc)
999 99 Percentage of breaths that are
spontaneously triggered or cycled
(average of the last 20 breaths).
In PAC mode, there is no spontaneous
cycling.
Trigger/Cycle indicators
(Timed, Ti Max or
TiMin)
999999 Indicates a patient or device
triggered/cycled breath. In ST mode,
Timed indicator is left blank if it is a
spontaneous breath.