46. Making adjustments once established on HFV Increase Frequency (1-2Hz) if Amplitude Minimal Decrease Frequency (1-2Hz) if Amplitude Maximal Decrease MAP (1-2cmH 2 O) Increase MAP (1-2cmH 2 O) Decrease Amplitude Increase Amplitude Decrease FiO 2 Increase FiO 2 Over Ventilation Under Ventilation Over Oxygenation Poor Oxygenation