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You are ventilating a patient and see the waveform below. What kind of ventilation issue might we have with this patient?

You are ventilating a patient on NAVA and notice that peak airway pressures have been slowly rising over the last 2 hours. The most likely reason is that:

When using Non-invasive ventilation on the V60, what does the parameter “C-Flex” do?

An advantage to using NIV instead of Invasive ventilation would be:

Looking at the Flow waveform below, what is happening with our patient?

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You are ventilating a patient with these parameters: PRVC RR 14, Vt 550 (7 ml/kg IBW), FiO2 60%, Peep 6, Pressure trigger -3, Ti 1.2 On examination he appears uncomfortable and you suspect that he’s struggling to trigger breaths. The first change to attempt would be:

While ventilating with ASV, what will the ventilator do if the current MV is above the targeted value and the patient is breathing spontaneously?

You are ventilating a patient on Pressure Support. They were fine during the day, but overnight as they are sleeping they are having apneic spells. The goal of changing them over to PC-PSV mode in this situation would be:

A weakness of the mode PSV would be: