PAED-0380

A term baby with a birth weight of 4.2 kg with meconium aspiration syndrome is intubated and ventilated. Conventional ventilation was unsuccessful and so a trial of high-frequency oscillatory ventilation has commenced. Chest X-ray shows good lung inflation. There is minimal chest “wobble” on the baby. Settings are mean airway pressure 16, delta P 25, rate 10 Hz, FiO2 0.5. Baby’s oxygen saturations are 94%. Blood gas shows pH 7.19, CO2 9.3 kPa, BE –5. What is the first change that should be made to the ventilation?