Tidal VolumeRespiration, ArtificialStress, MechanicalRespiratory MechanicsRespirationVentilators, MechanicalPositive-Pressure RespirationPulmonary VentilationVentilator-Induced Lung InjuryLung ComplianceLung Volume MeasurementsRespiratory Dead SpaceRespiratory Distress Syndrome, AdultCarbon DioxideAir PressureBlood VolumePulmonary Gas ExchangeAirway ResistanceRespiratory RateLungInhalationHypercapniaMechanical ProcessesBarotraumaWork of BreathingLung InjuryRespiratory Function TestsFunctional Residual CapacityPressureBiomechanical PhenomenaVentilator WeaningBlood Gas AnalysisMechanical PhenomenaOxygenRespiratory InsufficiencyDiaphragmIntubation, IntratrachealPlethysmographyRespiratory MusclesAcute Lung InjuryPlethysmography, Whole BodyHigh-Frequency VentilationRespiratory Physiological PhenomenaPartial PressureHyperventilationTime FactorsCapnographyStroke VolumeElasticityThoraxPulmonary Stretch ReceptorsEquipment DesignPulmonary AlveoliMechanotransduction, CellularPlasma VolumeApneaInspiratory CapacityModels, BiologicalLung DiseasesHemodynamicsForced Expiratory VolumePhysical StimulationRats, Sprague-DawleyPulmonary EdemaTensile StrengthAnesthesiaSpirometryVagotomyExhalationElastic ModulusPlethysmography, ImpedanceAnesthesia, GeneralOxygen ConsumptionChemoreceptor CellsTotal Lung CapacityBronchoalveolar Lavage FluidExpiratory Reserve VolumeModels, AnatomicAnalysis of VarianceCardiac OutputDogsDioctyl Sulfosuccinic AcidPulmonary SurfactantsManikinsAerosolsLung Diseases, ObstructiveAnoxiaVital CapacityThoracic WallErythrocyte VolumeInteractive Ventilatory SupportCompressive StrengthHeart RatePhrenic NerveHeliumTracheotomyArrhythmia, SinusReproducibility of ResultsPulmonary AtelectasisBlood Pressure