Cardiac OutputThermodilutionHemodynamicsMyocytes, CardiacCardiac Output, LowHeartVascular ResistanceHeart RateBlood PressureDye Dilution TechniqueCardiac Output, HighCardiac Surgical ProceduresCardiography, ImpedanceStroke VolumeArrhythmias, CardiacDogsOxygen ConsumptionRegional Blood FlowCatheterization, Swan-GanzHeart Function TestsDeath, Sudden, CardiacMyocardial ContractionPulmonary CirculationCardiac CatheterizationHeart FailureCardiac Pacing, ArtificialBlood CirculationBlood VolumeTime FactorsMonitoring, PhysiologicHeart VentriclesMyocardiumHeart DiseasesCardiac TamponadeVentricular Function, LeftEchocardiographyCardiomegalyIndicator Dilution TechniquesOxygenCardiovascular Physiological PhenomenaCentral Venous PressureElectrocardiographyPhysical ExertionCardiac VolumeHeart ArrestCarbon DioxideCardiotonic AgentsModels, CardiovascularBlood Flow VelocityPulmonary ArteryBlood Gas AnalysisExercise TestCardiomyopathiesReproducibility of ResultsEchocardiography, DopplerPulmonary Wedge PressureCardiovascular SystemVentricular FunctionCoronary CirculationRespirationPulmonary Gas ExchangeTreatment OutcomeHeart Defects, CongenitalVentricular Dysfunction, LeftNorepinephrineProspective StudiesBlood Volume DeterminationFetal HeartHypotensionMyocardial InfarctionSplanchnic CirculationAlgorithmsHeart TransplantationVentricular RemodelingExerciseMonitoring, IntraoperativeCardiopulmonary BypassPlethysmography, ImpedanceRats, Sprague-DawleySwineDisease Models, AnimalMyoblasts, CardiacXylazineHypertension, PulmonaryCardiac MyosinsSheepCardiac Imaging TechniquesAnoxiaFluid TherapyVentricular PressureEpinephrineIndocyanine GreenPropranololAnesthesiaRestTroponin ICardiac GlycosidesCardiac Resynchronization TherapyResuscitationDobutamine