Treatment Screen Parameters - ResMed VPAP ST Clinical Manual

Treatment screen parameters

Parameter
CPAP
S / ST / T
Ramp
Oxygen saturation
(SpO )*
2
Leak
Minute Ventilation (MV)
Pulse*
Respiratory rate (RR)
Tidal volume (Vt)
Pressure support (PS)
Ti
I:E
Ti Max
Ti Min
% Spontaneous
Triggering or Cycling
(%Spont Trig or %Spont
Cyc)
Trigger/Cycle indicators
(Timed, Ti Max or Ti
Min)
* Only available via the oximeter adapter.
16
Modes Description
CPAP S ST T
Fixed treatment pressure.
ü
Set (EPAP and IPAP) pressures.
ü ü ü
Orange icon shows that device is ramping up.
ü ü ü ü
Measure of the saturation of blood haemoglobin with
ü ü ü ü
oxygen, expressed as a percentage (sampled every
second).
Estimate of the total rate of air escaping due to mouth
ü ü ü ü
and unintentional mask leaks, expressed in L/min
(5-breath moving average).
Volume of air breathed in, or out within any 60-second
ü ü ü ü
period, expressed in L/min (5-breath moving average).
Number of heart beats in a 60-second time frame
ü ü ü ü
(sampled every second).
Frequency of breathing, expressed as the number of
ü ü ü ü
breaths per minute (5-breath moving average).
Volume of air inspired or expired in one respiratory cycle
ü ü ü ü
(breath), expressed in mL (5-breath moving average).
Difference between IPAP and EPAP .
ü ü ü
Duration of inspiration (ie, the respiratory flow into the
ü ü ü ü
lungs), expressed in seconds (5-breath moving average).
Inspiration to expiration ratio measured by the device
ü ü ü ü
(5-breath moving average).
Maximum inspiration time in seconds
ü ü ü
Minimum inspiration time in seconds.
ü ü ü
Percentage of breaths that are spontaneously triggered
ü ü
or cycled (average of the last 20 breaths).
Indicates a patient or device triggered/cycled breath.
ü ü
In ST mode, Timed is left blank if it is a spontaneous
breath.