Cardiac OutputThermodilutionHemodynamicsMyocytes, CardiacCardiac Output, LowHeartHeart RateVascular ResistanceBlood PressureDye Dilution TechniqueCardiac Output, HighCardiac Surgical ProceduresCardiography, ImpedanceDogsStroke VolumeArrhythmias, CardiacOxygen ConsumptionTime FactorsRegional Blood FlowCatheterization, Swan-GanzMyocardial ContractionHeart Function TestsPulmonary CirculationDeath, Sudden, CardiacHeart FailureCardiac CatheterizationCardiac Pacing, ArtificialBlood VolumeMonitoring, PhysiologicMyocardiumBlood CirculationHeart VentriclesHeart DiseasesOxygenVentricular Function, LeftEchocardiographyCardiac TamponadeIndicator Dilution TechniquesCardiomegalyCarbon DioxidePhysical ExertionCardiovascular Physiological PhenomenaElectrocardiographyCentral Venous PressureHeart ArrestCardiac VolumeExercise TestBlood Flow VelocityBlood Gas AnalysisRespirationCardiotonic AgentsPulmonary ArteryModels, CardiovascularProspective StudiesReproducibility of ResultsPulmonary Gas ExchangeCardiomyopathiesTreatment OutcomePulmonary Wedge PressureEchocardiography, DopplerCardiovascular SystemNorepinephrineExerciseMyocardial InfarctionRats, Sprague-DawleyVentricular FunctionSwineMinute virus of miceCoronary CirculationDisease Models, AnimalHypotensionMonitoring, IntraoperativeSplanchnic CirculationVentricular Dysfunction, LeftHeart Defects, CongenitalCardiopulmonary BypassFetal HeartBlood Volume DeterminationHeart TransplantationAnoxiaPlethysmography, ImpedanceFluid TherapyVentricular RemodelingEpinephrineSheepXylazineHypertension, PulmonaryMyoblasts, CardiacCardiopulmonary ResuscitationResuscitationPartial PressureRestPropranololIndocyanine GreenAnalysis of VarianceHematocritInfusions, IntravenousAnesthesiaPostureCardiac Myosins