Cardiac OutputHemodynamicsThermodilutionMyocytes, CardiacCardiac Output, LowHeartHeart RateVascular ResistanceBlood PressureVentricular Dysfunction, LeftDye Dilution TechniqueCardiac Output, HighCardiac Surgical ProceduresStroke VolumeCardiography, ImpedanceArrhythmias, CardiacDogsMyocardial ContractionHeart FailureOxygen ConsumptionErectile DysfunctionRegional Blood FlowHeart Function TestsMyocardiumTime FactorsCatheterization, Swan-GanzDeath, Sudden, CardiacCardiac Pacing, ArtificialCardiac CatheterizationPulmonary CirculationEchocardiographyHeart VentriclesHeart DiseasesVentricular Function, LeftBlood CirculationBlood VolumeMonitoring, PhysiologicCardiomegalyElectrocardiographyCardiac TamponadeOxygenCardiomyopathiesDisease Models, AnimalVentricular DysfunctionIndicator Dilution TechniquesCardiovascular Physiological PhenomenaCentral Venous PressureCardiac VolumeCardiotonic AgentsEchocardiography, DopplerPhysical ExertionBlood Flow VelocityHeart ArrestProspective StudiesPulmonary ArteryCoronary CirculationCarbon DioxideRats, Sprague-DawleyModels, CardiovascularDiastoleVentricular RemodelingExercise TestTreatment OutcomeBlood Gas AnalysisMyocardial InfarctionCardiovascular SystemPulmonary Wedge PressureVentricular FunctionSystoleVasodilator AgentsVentricular Dysfunction, RightReproducibility of ResultsNorepinephrineRespirationHypotensionHeart Defects, CongenitalPulmonary Gas ExchangeCardiopulmonary BypassHeart TransplantationVentricular PressureSplanchnic CirculationSwineCardiomyopathy, DilatedHypertension, PulmonaryFetal HeartAnalysis of VarianceExerciseBlood Volume DeterminationHypertensionMonitoring, IntraoperativeAnoxiaMyocardial IschemiaRats, WistarDobutamineMyoblasts, CardiacTroponin IPlethysmography, ImpedanceEndothelium, VascularVasodilationAorta