InhalationRespiratory MusclesInspiratory CapacityPressureMaximal Voluntary VentilationWork of BreathingRespiration, ArtificialIntermittent Positive-Pressure BreathingBreathing ExercisesVentilators, MechanicalTidal VolumeBlood PressureVentilator WeaningRespiratory MechanicsRespiratory Function TestsPositive-Pressure RespirationMuscle StrengthAir PressureExpiratory Reserve VolumeInsufflationRespiratory InsufficiencyDiaphragmNeuromuscular DiseasesLung Diseases, ObstructiveRespirationPulmonary Gas ExchangePulmonary VentilationInteractive Ventilatory SupportDiagnostic Techniques, Respiratory SystemMuscle WeaknessTotal Lung CapacityNoseNeonatologyAirway ResistanceAirway ObstructionLung Volume MeasurementsHydrostatic PressureIntermittent Positive-Pressure VentilationSpirometryLung ComplianceDyspneaVital CapacityExhalationIntubation, IntratrachealFunctional Residual CapacityRespiratory Distress Syndrome, AdultLungObesity Hypoventilation SyndromeBlood Pressure DeterminationRespiratory TherapyExercise ToleranceRespiratory ParalysisRespiratory Distress Syndrome, NewbornForced Expiratory VolumeCarbon DioxidePulmonary Disease, Chronic ObstructiveHypercapniaOxygenBlood Gas AnalysisVentilator-Induced Lung InjuryRespiration DisordersTransducers, PressureHypertensionIntracranial PressureIntraocular PressureEsophagusMouthBlood Pressure Monitoring, AmbulatoryPhysical EnduranceEquipment DesignProspective StudiesAtmospheric PressureTime FactorsPartial PressureVenous PressurePulmonary EdemaPeak Expiratory Flow RateExercise TestReference ValuesInfant, NewbornArterial PressureVentricular PressureStatistics, NonparametricHeart RateOxygen ConsumptionPulmonary SurfactantsTreatment OutcomeElectromyographyHemodynamicsCentral Venous PressurePulmonary Wedge PressureAntihypertensive AgentsPredictive Value of TestsOsmotic PressureSeverity of Illness IndexSystoleVascular ResistancePulseDiastoleDogs