Review of modes of mechanical ventilation. By Elizabeth Kelley Buzbee A.A.S., R.R.T.-N.P.S., R.C.P. In A/C mode there are two ways to trigger the breath. What are they?. question. ANSWER:. In A/C mode, the ventilator has Time triggered Patient triggered Flow triggered
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By Elizabeth Kelley Buzbee A.A.S., R.R.T.-N.P.S., R.C.P.
Cycle time = 60 seconds / rate
60 / 10 = 6 seconds
60 / 15 = 4 seconds
In SIMV, the patient’s time-triggered mandatory breath will come in just a fraction of a second early so that the patient and the ventilator are ‘synchronized’ to avoid stacking breathsANSWER:
Compare pressure control [PC] ventilation to volume Control [VC] ventilation
CPAP and PSV max both require a patient with an intact ventilator drive, & enough muscle strength to create a VE that can get the PaC02 to normal levels
The patient on APRV who goes apnic will now have alternating high and low pressures. If the rate is set appropriately, He will basically revert to PC – IRV.