PressureVentilationRespiration, ArtificialPulmonary VentilationBlood PressureHigh-Frequency VentilationPositive-Pressure RespirationTidal VolumeIntermittent Positive-Pressure VentilationRespirationHydrostatic PressureHigh-Frequency Jet VentilationNoninvasive VentilationRespiratory MechanicsVentilator WeaningAir PressureVentilators, MechanicalPulmonary Gas ExchangeCarbon DioxideBlood Pressure DeterminationVentilation-Perfusion RatioIntubation, IntratrachealHypercapniaOxygenRespiratory Distress Syndrome, AdultBlood Gas AnalysisIntracranial PressureTransducers, PressureWork of BreathingHypertensionLungLung ComplianceIntraocular PressureHeart RateVentilator-Induced Lung InjuryHemodynamicsBlood Pressure Monitoring, AmbulatoryAtmospheric PressurePartial PressureTracheostomyVentilators, Negative-PressureHeliumTime FactorsLaryngeal MasksVenous PressureLung Volume MeasurementsMasksRespiratory Function TestsOne-Lung VentilationArterial PressureIntensive Care UnitsRespiratory Distress Syndrome, NewbornMaximal Voluntary VentilationAnoxiaAirway ResistanceVentricular PressureIntensive CareContinuous Positive Airway PressureProspective StudiesPulmonary Wedge PressureRespiratory MusclesDiaphragmCentral Venous PressureCardiac OutputTracheotomyRespiratory Dead SpaceApneaRespiratory RateIntermittent Positive-Pressure BreathingRespiratory Physiological PhenomenaInhalationOxygen ConsumptionProne PositionLung InjuryAnesthesia, GeneralTreatment OutcomeHypoventilationEquipment DesignPulmonary EdemaOxygen Inhalation TherapyInfant, NewbornAirway ObstructionMonitoring, PhysiologicDogsHyperventilationVascular ResistancePulmonary AtelectasisBarotraumaLung Diseases, ObstructiveChemoreceptor CellsFunctional Residual CapacityAntihypertensive AgentsKryptonCritical IllnessKrypton RadioisotopesAnesthesiaAcute Lung InjuryPulmonary CirculationAirway ExtubationLung Diseases