26
e500 User Manual
(15PL1011 - Rev.7 6_6_2017) English version
5.2.2. CPAP (Continuous Positive Airway Pressure)
In CPAP mode, the ventilator will deliver a continuous flow rate to generate
airway pressure and use the control valve to maintain CPAP levels (Figure
11).
Note
The default trigger in CPAP mode is pressure trigger (P) which is set at 2
cm H
2
O below CPAP settings.
In this option the ventilator adjusts the amount of flow internally to
maintain average airway pressure close to CPAP setting.
The CPAP mode is equipped with APNEA back up ventilation in which the
ventilator switches to SIMV when the ventilator does not trigger patient’s
spontaneous breathing for a period of time (T APNEA) set by the user. The
parameters of back up SIMV ventilation are settable by user.
The trigger changes from pressure trigger (P) to 3 L/min default flow
trigger when the ventilator switches to APNEA back up.
Table-3 Default Ventilation Setting- CPAP
Parameter Range
Default
CPAP (cm H
2
O)
4, 5, 6, 7, 8, 9, 10, 12, 15, 18, 20
Carry over from PEEP of
previous mode
P max.
10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 80
Carry over from
previous mode
P min.
0, 2, 3, 4, 5, 6, 7, 8, 10, 12, 15, 20
Carry over from
previous mode
O
2
%
(100% or 60%)
Carry over from
previous mode
T APNEA (sec)
10, 15, 20, 25, 30, 40, 45, 50, 55, 60
20
Vt/f (A)
(ml/BPM)
100/20,150/20, 200/20, 250/20, 300/10,
350/10,400/10, 450/10, 500/10, 600/10,
650/10
Carry over from
previous mode