What is the role of inspiratory flow in pressure-targeted ventilation for respiratory failure?

Updated: Apr 07, 2020
  • Author: Ata Murat Kaynar, MD; Chief Editor: Michael R Pinsky, MD, CM, Dr(HC), FCCP, FAPS, MCCM  more...
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In pressure-targeted ventilation, the inspiratory flow rate is a dependent variable that varies as a function of the preset pressure and the patient’s own inspiratory effort. Because airway pressure is held constant while alveolar pressure rises during inspiration, the pressure difference between airway and alveoli decreases, leading to a decelerating pattern of inspiratory flow.

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