PMS PROCEDURE (continued) NM2C
6.26 TRACE & TREND
( ) 6.26.1 Trace: Verify that the display tracks the Breathing Pressure and
Volume waveforms.
( ) 6.26.2 Trend: Select VENT, and select SCROLL TREND, roll selection dial
to the right and verify that Breathing Pressure, Volume and
O
2
concentration trend information is available.
6.26.2.1 Turn the ventilator OFF.
6.27 PRESSURE LIMIT CONTROLLER (AV-2, AV-2+, or optional PLC, if applicable)
6.27.1 Turn the ventilator ON.
6.27.2 Set the Inspiratory Flow to the bottom of the low range.
6.27.3 Set the oxygen flow rate to 4 l/min.
6.27.4 Set the Pressure Limit Control to the MAX position.
6.27.5 Occlude the Y-piece with your thumb.
( ) 6.27.6 Slowly increase the Inspiratory Flow setting until a peak pressure of 80
cm H
2
O is achieved.
6.27.7 Set the Pressure Limit Control to 30.
( ) 6.27.8 What is the peak pressure? ___ cm H
2
O (27-33)
6.27.9 Set the Pressure Limit Control to the Min position.
( ) 6.27.10 What is the peak pressure? ___ cm H
2
O (<15)
6.27.11 Remove your thumb from the Y-piece.
6.27.12 Set the Inspiratory Flow to the maximum of the LOW zone.
6.27.13 Close the oxygen flow control valve.
6.27.14 Turn the ventilator OFF.
Rev. K
6-54
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