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Chapter 5 Viewing and Changing Settings
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When Trigger Type is set to Flow Trigger, Flow Trigger Sensitivity
Leak Compensation, and Flow Cycle Sensitivity become active,
and the trigger initiates based on the Flow Trigger Sensitivity
setting.
3. Flow Trigger Sensitivity
If you set the Trigger Type to Flow Trigger, the Flow Trigger
Sensitivity setting displays. You can increase or decrease the
setting from 1 to 9 l/min in 1 l/min increments.
The ow trigger initiates when the patient’s inspiratory eort
creates a ow equal to or greater than the ow sensitivity
setting.
4. Leak Compensation
If you are using an Active Flow circuit, you can turn Leak
Compensation On or O.
5. Flow Cycle Sensitivity
If you set the Trigger Type to Flow Trigger, the Flow Cycle
Sensitivity setting displays. You can increase or decrease the
setting from 10 to 90 percent (%) in 1% increments.
As ow begins to decrease during inspiration,
if the patient ow is less than the ow cycle set
point, the device will cycle to expiration. For
example: if the ow cycle is set to 75%, when the
ow has decreased by 25% of the peak ow, the
device will cycle to the EPAP/PEEP level.
6. Ramp Length
The Ramp Length allows you to set the ramp time.
You can disable Ramp by selecting O, or you
can increase or decrease the Ramp Length setting from 5 to 45
minutes in 5-minute increments.
Note: Auto-Trak is only
available if the Passive Circuit is
selected.
Note: Flow Trigger with leak
compensation is only available if
the Active Flow circuit is selected.
Note: Enabling Leak
Compensation when using the
Active Flow Circuit conguration
only aects triggering and does
not aect tidal volume delivery
or Vte measurement.
Note: A ow cycle sensitivity
set at 90% will result in the
most sensitivity. If the ow cycle
sensitivity is set at 10%, this will
result in the least sensitivity.
Flow Cycle Sensitivity