Question

Which ventilator mode does not allow pts to breathe spontaneously?

Answer 1

While modes have classically been divided up into pressure or volume controlled modes, a more modern approach describes ventilatory modes based on three characteristics – the trigger (flow versus pressure), thelimit (what determines the size of the breath), and the cycle (what actually ends the breath). In both VCV and PCV, time is the cycle, the difference being in how the time to cessation is determined. PSV, by contrast, has a flow cycle.