Liquid VentilationFluorocarbonsPulmonary Gas ExchangeRespiration, ArtificialPulmonary VentilationMeconium Aspiration SyndromeHigh-Frequency VentilationRespiratory Distress Syndrome, AdultHigh-Frequency Jet VentilationHeartLung ComplianceVentilationPositive-Pressure RespirationRespiratory MechanicsHemodynamicsLungMyocytes, CardiacPulmonary CirculationOleic AcidOxygenHeart RateLung InjuryCardiac OutputRespirationBronchoalveolar LavageCarbon DioxideCross CirculationMyocardial ContractionRespiratory Distress Syndrome, NewbornSwineTidal VolumeChemical FractionationIntermittent Positive-Pressure VentilationArrhythmias, CardiacHypothermia, InducedPulmonary SurfactantsMyocardiumHeart DiseasesAmrinoneElectrocardiographySheepNoninvasive VentilationBlood PressureVentilator WeaningTime FactorsDisease Models, AnimalMinoxidilVentricular Function, LeftChromatography, High Pressure LiquidBradycardiaDogsVentilators, MechanicalCardiomegalyCardiac Surgical ProceduresHeart FailureDose-Response Relationship, DrugTreatment OutcomeHeart VentriclesEchocardiographyRabbitsVentilation-Perfusion RatioCardiomyopathiesIonic LiquidsAnimals, NewbornInfant, NewbornChromatography, LiquidOxygen ConsumptionIntubation, Intratracheal