The infant is placed on IMV,PIP 28 (to achieve adequate chest excursion),PEEP 5,Rate 60,Ti 0.4. Saturations are 88%on 0.70 FiO2.The initial pressure-volume curve is shown in the slide. What is your next step? The infant is placed on IMV, PIP 28 (to achieve adequate chest excursion), PEEP 5, Rate 60, Ti 0.4. Saturations are 88% on 0.70 FiO2. The initial pressure-volume curve is shown in the slide. What is your next step?