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ESO 2 ICU Ventilator 53 User Manual
Appendix
PSV
Pressure Supported Ventilation
NOTE
Check that PSV is an enabled option on your ventilator before
attempting selection.
PSV assists each spontaneous breath to achieve a preset
pressure, thus reducing the effort required to breathe.
Inspiratory flow (generated by the patient’s spontaneous
breath) results in synchronised pressure support
Select PSV on the main display
PSV will be displayed on the main screen.
NOTE
1. The trigger window is pre-set to 60% of the BPM cycle
time.
2. The trigger pressure is PEEP referenced.
3. If the Spirometry system is disabled, then PSV is not
available.
4. If the pressure limit and alarm are activated the
inspiratory phase is terminated.
PSV Settings
NOTE:
1. Support Pressure can be adjusted before PSV is
confirmed.
2. The trigger setting is adjustable between 0.7 and 4.0 L/
min.
A A
Pmax
PEEP
0 cmH2O
B
C
C
PSV Pressure Supported Ventilation
A = Set inspiratory time
B = Pressure support level
C = Spontaneous breath results in a synchronised
pressure supported breath
PSV is used to support spontaneously breathing
patients ONLY
If the patient makes no attempt to breathe, the
ventilator will not provide support and the apnoea
alarm will be activated