Cardiac OutputHemodynamicsThermodilutionVascular ResistanceBlood PressureCardiac Output, LowMyocytes, CardiacHeart RateHeartCardiography, ImpedanceDye Dilution TechniqueRegional Blood FlowCardiac Output, HighDogsCardiac Surgical ProceduresStroke VolumePulmonary CirculationOxygen ConsumptionBlood VolumeBlood Flow VelocityCatheterization, Swan-GanzArrhythmias, CardiacHeart FailureCardiac CatheterizationHeart Function TestsMyocardial ContractionBlood CirculationCardiac Pacing, ArtificialTime FactorsModels, CardiovascularHeart VentriclesVentricular Function, LeftMyocardiumRenal CirculationDeath, Sudden, CardiacOxygenMonitoring, PhysiologicEchocardiographyHeart DiseasesPulmonary ArteryCentral Venous PressureCardiomegalyCardiovascular Physiological PhenomenaCardiac TamponadeBlood Gas AnalysisPulmonary Wedge PressureHypertension, PulmonaryCoronary CirculationCarbon DioxideElectrocardiographySplanchnic CirculationCardiac VolumeIndicator Dilution TechniquesCardiotonic AgentsHeart ArrestPhysical ExertionPulmonary Gas ExchangeLiver CirculationEchocardiography, DopplerKidneyExercise TestNorepinephrineSwineRats, Sprague-DawleyCardiovascular SystemCerebrovascular CirculationHypotensionDisease Models, AnimalProspective StudiesArterial PressureRespirationVentricular FunctionCardiomyopathiesHeart Defects, CongenitalTreatment OutcomeHematocritAnesthesiaBlood Volume DeterminationVentricular Dysfunction, LeftMyocardial InfarctionVentricular RemodelingPulsatile FlowResuscitationVentricular PressureCardiopulmonary BypassReproducibility of ResultsSheepExerciseVasodilator AgentsHypertensionAtrial Natriuretic FactorFetal HeartAnoxiaMonitoring, IntraoperativeHeart TransplantationRestVentricular Function, RightPlethysmography, ImpedanceArteriesFluid Therapy