The ventilator mode where every breath is patient triggered, pressure targeted, and flow cycled with a volume target is which of the following?
a. Volume support ventilation (VSV)
b. Pressure-regulated volume control (PRVC)
c. Airway pressure release ventilation (APRV)
d. Pressure augmentation (Paug)
ANS: A
The mode being described is basically pressure support with a volume target. This describes vol-ume support ventilation (VSV). Pressure-regulated volume control (PRVC) is similar; however, the breaths can be either patient or time triggered. Pressure augmentation (Paug) is similar to VSV; however, not every breath is flow cycled. If the volume is not met during inspiration, the ventilator will change to volume cycle. Airway pressure release ventilation (APRV) is a dual mode of ventilation that allows spontaneous breathing at two levels of continuous positive air-way pressure (CPAP), where pressure support can be added.
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