High-Frequency VentilationHigh-Frequency Jet VentilationVentilationRespiration, ArtificialPulmonary VentilationPressureTidal VolumeIntermittent Positive-Pressure VentilationPositive-Pressure RespirationBlood PressureRespirationNoninvasive VentilationRespiratory MechanicsVentilator WeaningVentilators, MechanicalPulmonary Gas ExchangeCarbon DioxideVentilation-Perfusion RatioAir PressureIntubation, IntratrachealHypercapniaRespiratory Distress Syndrome, AdultOxygen