VentilationRespiration, ArtificialPulmonary VentilationHigh-Frequency VentilationIntermittent Positive-Pressure VentilationTidal VolumePositive-Pressure RespirationHigh-Frequency Jet VentilationNoninvasive VentilationVentilator WeaningRespirationRespiratory MechanicsVentilators, MechanicalPulmonary Gas ExchangeCarbon DioxideVentilation-Perfusion RatioIntubation, IntratrachealHypercapniaRespiratory Distress Syndrome, AdultOxygenVentilator-Induced Lung InjuryWork of BreathingLungBlood Gas AnalysisPartial PressureLung ComplianceTracheostomyAir PressureOne-Lung VentilationHeliumIntensive Care UnitsLaryngeal MasksVentilators, Negative-PressureBiological ProductsRespiratory Distress Syndrome, NewbornMasksMaximal Voluntary VentilationRespiratory Function TestsLung Volume MeasurementsIntensive CareAnoxiaRespiratory Dead SpaceTracheotomyAirway ResistanceTime FactorsRespiratory RateLung InjuryApneaDiaphragmHypoventilationProne PositionIntermittent Positive-Pressure BreathingOxygen Inhalation TherapyRespiratory Physiological PhenomenaAcute Lung InjuryKrypton RadioisotopesPulmonary CirculationRespiratory MusclesHyperventilationKryptonPulmonary AtelectasisBarotraumaAirway ObstructionInfant, NewbornCritical IllnessOxygen ConsumptionMolecular Sequence DataAirway ExtubationLung Diseases, ObstructiveChemoreceptor CellsFunctional Residual CapacityInhalationAnesthesia, GeneralLung DiseasesPulmonary EdemaAir ConditioningProspective StudiesInteractive Ventilatory SupportCritical CareNeuromuscular DiseasesAir MovementsEquipment DesignMiddle Ear VentilationPressurePulmonary AlveoliTreatment OutcomeRespiratory TherapyFluorocarbonsIntensive Care Units, PediatricBase SequenceInfant, PrematurePneumonia, Ventilator-AssociatedCapnographyHemodynamicsPulmonary Disease, Chronic ObstructiveAPACHEAmino Acid SequenceConsumer Product SafetyContinuous Positive Airway PressureAerosols