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Is there adequate ventilatory drive

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analyse_media
Finding Sources
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ventilator weaning spontaneous breathing

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AARC spontaneous breathing trial guideline readiness adequate respiratory drive ventilator

The screen suggests spontaneous ventilatory drive is present and appears reasonably adequate at this moment:
  • Mode: PSV/CPAP with backup VCV, so breaths shown are likely patient-triggered unless apnea backup activates.
  • Total respiratory rate: 19/min
  • Tidal volume: ~328 mL
  • Minute ventilation: ~6.06 L/min
  • RSBI shown: ~62, which is not a rapid-shallow pattern and is generally reassuring.
  • Support is low: PS 5 cmH₂O + PEEP 5 cmH₂O.
However, a ventilator screenshot cannot establish adequacy definitively. Confirm with the patient’s mental status/work of breathing, gas exchange and trend in PaCO₂/pH or EtCO₂, oxygenation, absence of apnea, and ability to sustain this on an appropriate spontaneous-breathing trial. A spontaneous breathing trial is the usual assessment for liberation, generally with minimal support for 30-120 minutes, per the AARC SBT guideline.
So: yes, there is visible drive and the displayed ventilation is reassuring, but do not base extubation or weaning decisions on this screen alone.
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