Vyaire Avea - APRV;BiPhasic Mode

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APRV/BiPhasic mode*
Airway pressure release ventilation (APRV)/BiPhasic is a time cycled pressure mode that
cycles between two dierent baseline pressures based on time, which can be synchronized
with patient eort. Controlled ventilation can be maintained by time cycling the transitions
between baseline pressures. Pressure support can be added to improve comfort for the
spontaneously breathing patient.
In this mode, the patient can breathe spontaneously at two pre-set pressure levels. These
are set using the Pres High and Pres Low controls. The maximum duration at each pressure
during time cycling is set with the Time High and Time Low controls. The operator can also
adjust the length of the respective trigger (Sync) windows with the Time High and Time Low
Sync controls, which are advanced settings of Time High and Time Low. The Sync windows
are adjustable from 0% to 50%, in 5% increments of set Time High and Time Low. The
change synchronizes from Pressure Low to Pressure High with the detection of inspiratory
flow or first inspiratory eort within the T Low Sync window. Transition from Pressure High
to Pressure Low occurs with the first end of inspiration detected after the T High Sync
window opens.