Cardiac OutputPerfusionMyocytes, CardiacHeartHemodynamicsThermodilutionPerfusion ImagingCardiac Output, LowCardiac Surgical ProceduresArrhythmias, CardiacHeart RateBlood PressureVascular ResistanceDeath, Sudden, CardiacMyocardial Perfusion ImagingMyocardial ContractionDogsMyocardiumDye Dilution TechniqueCardiac Output, HighCardiac Pacing, ArtificialStroke VolumeRegional Blood FlowCardiac CatheterizationHeart DiseasesCardiography, ImpedanceHeart VentriclesTime FactorsCardiac TamponadeHeart FailureCardiomegalyOxygen ConsumptionCoronary CirculationHeart Function TestsEchocardiographyPulmonary CirculationBlood VolumeVentricular Function, LeftElectrocardiographyHeart ArrestBlood CirculationCatheterization, Swan-GanzCardiac VolumeCardiomyopathiesMonitoring, PhysiologicBlood Flow VelocityOxygenMyocardial InfarctionModels, CardiovascularTomography, Emission-Computed, Single-PhotonCardiotonic AgentsExercise TestMyoblasts, CardiacRats, Sprague-DawleyMyocardial IschemiaCardiac Imaging TechniquesVentricular Dysfunction, LeftCardiac MyosinsProspective StudiesHeart TransplantationVentricular RemodelingReproducibility of ResultsTreatment OutcomeHeart Defects, CongenitalCardiac GlycosidesDisease Models, AnimalCardiovascular Physiological PhenomenaVentricular FunctionCardiopulmonary BypassCentral Venous PressurePhysical ExertionIndicator Dilution TechniquesCarbon DioxideTroponin IOut-of-Hospital Cardiac ArrestFetal HeartPulmonary ArteryCardiopulmonary ResuscitationSwineEchocardiography, DopplerCerebrovascular CirculationBlood Gas AnalysisNorepinephrineCardiac Resynchronization TherapyCardiomyopathy, DilatedRats, WistarVentilation-Perfusion RatioCardiovascular SystemChemotherapy, Cancer, Regional PerfusionPulmonary Gas ExchangeRespirationVasodilator AgentsSplanchnic CirculationDobutamineCalciumPulmonary Wedge PressureHeart Conduction SystemHeart AtriaPredictive Value of TestsVentricular Pressure