Breath Types and Therapy Modes
VentecLife.com 45
Vol. Targeted-PS Mode
Vol. Targeted-PS is a Volume Targeted mode of ventilation. The patient may initiate a spontaneous breath at any time. It
provides the patient with two congurable levels of pressure: the set PEEP, and the pressure required to maintain the set
Tidal Volume target.
Vol. Targeted-PS with a Passive, or Valveless Ventec One-Circuit
When used with a passive, or valveless Ventec One-Circuit, Vol. Targeted-PS mode allows the patient to initiate a
spontaneous breath at any time at the set Flow Trigger. If the patient does not initiate a spontaneous breath within a
breath period, V*Home will deliver a mandatory breath to ensure the patient breathes at a minimum rate, set using the
Breath Rate control.
Both spontaneous and mandatory breaths are delivered and adjusted on a breath-to-breath basis to achieve and
maintain the target Tidal Volume. When a breath cycles, V*Home will deliver the set PEEP.
Vol. Targeted-PS with a Mouthpiece Patient Circuit
During ventilation with a Mouthpiece patient circuit, all breaths are spontaneous (initiated and cycled by the patient).
When V*Home detects patient effort through the mouthpiece patient circuit, pressure is delivered and adjusted each
breath to achieve the target Tidal Volume. When a breath cycles, the pressure of the mouthpiece patient circuit drops to
zero (ambient).
Breath Period
Mandatory Spontaneous Spontaneous Mandatory
Pressure of mandatory and spontaneous breaths
adjusts to achieve target Tidal Volume
PEEP
Spontaneous
Upper pressure limit:
5 cmH2O below High Pressure alarm setting,
or 50 cmH2O (whichever is less)
Spontaneous Spontaneous Spontaneous
0
SpontaneousSpontaneous
Pressure of spontaneous breaths
adjusts to maintain target Tidal Volume
5 cmH2O below High Pressure alarm setting,
or 50 cmH2O (whichever is less)
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