Theory of HFV. High Frequency Ventilation. Defined by FDA as a ventilator that delivers more than 150 breaths/min. Delivers a small tidal volume, usually less than or equal to anatomical dead space volume.
Theory of HFV
Rates0 - 150180 - 900
Tidal Volume4 - 20 ml/kg0.1 - 5 ml/kg
Alv Press0 - > 50 cmH2O0.1 - 5 cmH2O
End Exp VolLowNormalized