NIV for Hypercapnic Respiratory Failure: AVAPS vs S/T BIPAP

A setting on noninvasive ventilator that allows setting of maximum and minimum inspiratory pressure and sets a target tidal volume. The inspiratory pressure varies breath to breath to ensure pre-set tidal volume is delivered.

A setting on noninvasive ventilator that allows setting of inspiratory pressure, inspiratory time, expiratory pressure, and backup rate to deliver variable tidal volumes.