Ventilation modes
English
77
P(A)C mode
P(A)C is a bilevel ventilation mode delivering pressure-controlled mandatory breaths:
-
Inspiration is either initiated by the ventilator at a set rate (time-triggered breath) or the patient
(spontaneous-triggered breath). Spontaneous-triggered breaths re-schedule the next
time-triggered breath. Resp. rate and Trigger can be set to Off, but not at the same time. When
Trigger is set to Off, the mode name will be shown on the Information bar as PC.
-
End of inspiration is controlled by the ventilator (time-cycled breath).
Parameter
Setting
Resp. rate
(per min)
Adult: Off, 2 to 50 [15]
Paed: Off, 5 to 80 [15]
EPAP
(cmH
2
O)
2 to 25 [5]
IPAP
(cmH
2
O)
Adult: 4 to 50 [12]
Paed: 4 to 50 [12]
Ti
(sec)
Adult: 0.3 to 4.0 [1.0]
Paed: 0.3 to 4.0 [0.6]
Trigger
Off, Very Low to Very High [Medium]
Rise Time
(msec)
Min, 150 to 900 [200]
•
To allow the patient sufficient time to exhale, Ti cannot exceed two-thirds of 60/Resp. rate.
•
To allow sufficient time to reach the targeted inspiratory pressure, Rise time cannot exceed
two-thirds of Ti.
Summary of Contents for Astral 100
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