Cardiac OutputThermodilutionHemodynamicsMyocytes, CardiacCardiac Output, LowHeartVascular ResistanceHeart RateBlood PressureDye Dilution TechniqueCardiac Output, HighCardiac Surgical ProceduresCardiography, ImpedanceStroke VolumeArrhythmias, CardiacDogsMonitoring, PhysiologicOxygen ConsumptionCatheterization, Swan-GanzRegional Blood FlowHeart Function TestsMyocardial ContractionDeath, Sudden, CardiacPulmonary CirculationCardiac CatheterizationHeart FailureCardiac Pacing, ArtificialBlood VolumeBlood CirculationTime FactorsHeart VentriclesMyocardiumHeart DiseasesCardiac TamponadeVentricular Function, LeftEchocardiographyCardiomegalyOxygenIndicator Dilution TechniquesCardiovascular Physiological PhenomenaCentral Venous PressureElectrocardiographyPhysical ExertionCardiac VolumeHeart ArrestCarbon DioxideBlood Gas AnalysisBlood Flow VelocityModels, CardiovascularReproducibility of ResultsPulmonary ArteryCardiotonic AgentsMonitoring, IntraoperativeExercise TestCardiomyopathiesPulmonary Wedge PressureEchocardiography, DopplerCardiovascular SystemRespirationVentricular FunctionCoronary CirculationPulmonary Gas ExchangeProspective StudiesBlood Volume DeterminationNorepinephrineVentricular Dysfunction, LeftHeart Defects, CongenitalHypotensionFetal HeartMyocardial InfarctionTreatment OutcomeSplanchnic CirculationRats, Sprague-DawleyHeart TransplantationExerciseSwineCardiopulmonary BypassDisease Models, AnimalVentricular RemodelingPlethysmography, ImpedanceMyoblasts, CardiacXylazineSheepHypertension, PulmonaryCardiac MyosinsFluid TherapyAnoxiaAnesthesiaVentricular PressureCardiac Imaging TechniquesIndocyanine GreenEpinephrineRestPropranololResuscitationTroponin ICardiac GlycosidesCardiac Resynchronization TherapyHematocritArterial Pressure