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Fig. 2 | Annals of Intensive Care

Fig. 2

From: Reliability and limits of transport-ventilators to safely ventilate severe patients in special surge situations

Fig. 2

Explicative figure of ventilator triggering assessment. The figure illustrates ventilator triggering assessment. Airway pressure (Paw) and flow are displayed. Triggering delay (TD) is the delay between the onset of airway pressure drop (“patient” effort) and flow delivery by the ventilator. Pressurization delay (PD) is defined by the time at which the airway pressure comes back to the level of PEEP. The addition of TD and PD gives the inspiratory delay (ID). The drop of airway pressure (∆P) due to patient effort is also shown on the figure

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