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The initiation of a breath resets the breath interval. Patients may initiate all breaths.
Without patient eort, breaths deliver at the set breath rate. During mandatory breaths,
the demand system can provide additional flow if needed.
In a TCPL breath, the inspiratory flow is used to achieve a set inspiratory pressure. During
the inspiratory phase of the breath, inspiratory pressure maintains while flow is allowed
to decelerate.
Primary controls: Active in TCPL A/C mode are Rate, Inspiratory Pressure, Peak Flow,
Inspiratory Time, PEEP, Flow Trigger and %O
2
.
Advanced settings: Available in TCPL mode are Volume Limit*, Flow Cycle, Bias Flow
and Pressure Trigger.
Volume Guarantee breaths (neonatal patients only):* When Volume Guarantee is
selected, the control Insp Pres becomes an advanced setting, the Volume setting displays
as a primary control and the ventilator delivers a test breath at the set inspiratory pressure.
The inspiratory pressure for subsequent breaths is adjusted breath-to-breath. The pressure
adjusts separately for time triggered breaths, patient triggered breaths, apnea backup
breaths and manual breaths to maintain monitored expired tidal volume.
*Requires wye flow sensor.
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