Cardiac Output, LowCardiac OutputHemodynamicsCardiac Surgical ProceduresMilrinoneCardiopulmonary BypassHydrazonesAssisted CirculationHeart-Lung MachineCardiotonic AgentsHeart Defects, CongenitalBlood PressurePericardiectomyIntra-Aortic Balloon PumpingPostoperative ComplicationsStroke VolumeExtracorporeal CirculationVascular ResistanceCoronary Artery BypassHeart FailureTreatment OutcomeThermodilutionDogsDobutamineHeart RateHeart Valve ProsthesisHeartMyocytes, CardiacTime FactorsPostoperative PeriodPostoperative CareRetrospective StudiesElectrocardiographyCoronary Artery Bypass, Off-PumpCardiography, ImpedanceLength of StayDye Dilution TechniqueRegional Blood FlowCardiac Output, HighHospital MortalityRisk FactorsPulmonary CirculationProspective StudiesOxygenOxygen ConsumptionEchocardiographyBlood VolumeBlood Flow VelocityInfant, NewbornHypertension, PulmonaryCatheterization, Swan-GanzArrhythmias, CardiacCardiac CatheterizationFollow-Up StudiesHeart Function TestsMyocardial ContractionBlood CirculationCardiac Pacing, ArtificialModels, CardiovascularHeart VentriclesVentricular Function, LeftMyocardiumRenal CirculationDeath, Sudden, CardiacMonitoring, PhysiologicHeart DiseasesPulmonary ArteryCentral Venous PressureMyocardial InfarctionCardiomegalyCardiovascular Physiological PhenomenaCardiac TamponadeBlood Gas AnalysisPulmonary Wedge PressureCoronary CirculationCarbon DioxideSplanchnic CirculationCardiac VolumeIndicator Dilution TechniquesHeart ArrestPhysical ExertionPulmonary Gas ExchangeLiver CirculationEchocardiography, DopplerKidneyExercise TestNorepinephrineSwineRats, Sprague-DawleyCardiovascular SystemCerebrovascular CirculationHypotensionDisease Models, AnimalArterial PressureRespirationVentricular FunctionCardiomyopathiesHematocritAnesthesiaBlood Volume Determination