A7™ Operating Instructions 046-004667-00 5 - 7
Operations Ventilation Modes
5.5 Ventilation Modes
NOTE: In all ventilation modes, when inspiration pressure reaches the high
alarm limit of Paw, the system switches to expiration immediately and
airway pressure is released.
NOTE: When the drive gas supply fails, mechanical ventilation cannot work
normally.
5.5.1 Monitored Parameters
NOTE: The monitored parameters are measured in the condition of ATPS
(ambient temperature and pressure saturated).
The A7 monitors the following ventilation parameters:
5.5.2 Ventilation Modes
The A7 provides the following ventilation modes:
5.5.3 Change Ventilation Mode
To change ventilation mode to Manual
1. Use the Auto/Manual ventilation switch on the breathing system block to enter and exit
Manual ventilation mode.
PARAMETER RANGE* COMMENTS
PEAK -20 –120 cmH
2
O
MEAN -20 – 120 cmH
2
O
Vt 0 – 3000 ml
MV 0 – 100 L
PLAT -20 – 120 cmH
2
O
Rate 0 – 120 bpm
PEEP 0 – 70 cmH
2
O
I:E — Displayed only in SIMV-VC, SIMV-PC, and PS modes
* If the monitored parameter is out of range, it displays as “- - -”.
VENTILATION MODE PARAMETERS
VCV Vt, Rate, I:E, Tpause, PEEP, Plimit
SIMV-VC Vt, Rate, Tinsp, Tpause, PEEP, Plimit, PS (On/Off),
ΔP, Tr i g g e r, Ts l o p e
PCV VtG, PlimVG, Pinsp, Rate, I:E, PEEP, Tslope
SIMV-PC Pinsp, Rate, Tinsp, PS (On/Off),
ΔP, Tr i g g e r, P E E P, Ts l o p e
PS Min Rate,
ΔP, Tr i g g e r, P E E P, Ts l o p e , A p n e a T i
Manual Bypass , Alarms, ACGO, Monitor
ACGO N/A *
Monitor N/A *
*N/A - Not Applicable.
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