VasoplegiaCardiac OutputMyocytes, CardiacHeartHemodynamicsThermodilutionCardiac Output, LowCardiac Surgical ProceduresArrhythmias, CardiacHeart RateDeath, Sudden, CardiacBlood PressureVascular ResistanceCardiac Output, HighDye Dilution TechniqueCardiac Pacing, ArtificialMyocardial ContractionCardiac CatheterizationStroke VolumeCardiography, ImpedanceMyocardiumHeart DiseasesCardiac TamponadeDogsCardiomegalyHeart FailureHeart VentriclesTime FactorsHeart Function TestsOxygen ConsumptionHeart ArrestEchocardiographyVentricular Function, LeftElectrocardiographyRegional Blood FlowCatheterization, Swan-GanzCardiac VolumePulmonary CirculationPost and Core TechniqueCardiomyopathiesBlood CirculationBlood VolumeMonitoring, PhysiologicMyoblasts, CardiacCardiotonic AgentsCardiac MyosinsCardiac Imaging TechniquesMyocardial InfarctionModels, CardiovascularHeart TransplantationVentricular RemodelingCardiac GlycosidesHeart Defects, CongenitalOxygenCardiovascular Physiological PhenomenaTreatment OutcomeVentricular Dysfunction, LeftCentral Venous PressureTroponin IOut-of-Hospital Cardiac ArrestIndicator Dilution TechniquesProspective StudiesVentricular FunctionPhysical ExertionFetal HeartRats, Sprague-DawleyExercise TestCardiac Resynchronization TherapyDisease Models, AnimalEchocardiography, DopplerCoronary CirculationCardiopulmonary BypassBlood Flow VelocityCardiopulmonary ResuscitationCarbon DioxideCardiomyopathy, DilatedPulmonary ArteryCardiovascular SystemBlood Gas AnalysisMyocardial IschemiaReproducibility of ResultsNorepinephrineHeart Conduction System