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16.4.1 Actions After Connection to Patient in CMV
Step 4. The High and Low Pressure Alarm thresholds auto track the pressure waveform
by 5mbar. The alarm thresholds can be adjusted if required. The thresholds are
found in the pressure waveform window.
Step 5. Set the High and Low Tidal Volume thresholds. These thresholds are found in
the Tidal Volume waveform window. (This waveform will not appear when
operating without a flow sensor).
Interactive and limiting controls in CMV
The user needs to be aware that the following controls interact.
The BPM and Insp time controls interact. Increasing the number of breaths per
minute can decrease the inspiratory time. Increasing the Insp time can decrease
the number of breaths per minute. This occurs when the number of breaths per
minute cannot be achieved with the set inspiratory time or the set inspiratory time
cannot be achieved with the set number of breaths per minute.
The PEEP control interacts with the PIP control. When increasing the PEEP
pressure, the PIP pressure will track accordingly if initially below the starting
PEEP level.
The PIP control is limited by the PEEP. The user cannot decrease the PIP level
below the PEEP level. The PEEP parameter control displays a warning stating
the limiting pressure.
High
Low
Low
Tidal Volume
High
Tidal Volume
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