Cardiac OutputArteriesHemodynamicsThermodilutionPulmonary ArteryMyocytes, CardiacCardiac Output, LowHeartBlood PressureHeart RateCarotid ArteriesFemoral ArteryVascular ResistanceRenal ArteryCerebral ArteriesDye Dilution TechniqueMesenteric ArteriesCardiac Output, HighCardiac Surgical ProceduresCoronary Artery BypassDogsCardiography, ImpedanceRegional Blood FlowBasilar ArteryStroke VolumeRadial ArteryArrhythmias, CardiacIliac ArteryTime FactorsCardiac CatheterizationCatheterization, Swan-GanzOxygen ConsumptionVertebral ArteryPulmonary CirculationMyocardial ContractionHeart Function TestsMammary ArteriesDeath, Sudden, CardiacCoronary VesselsHeart FailureCardiac Pacing, ArtificialHeart VentriclesMyocardiumCarotid Artery, InternalBlood VolumeSubclavian ArteryEchocardiographyMonitoring, PhysiologicBlood CirculationBrachial ArteryHeart DiseasesVentricular Function, LeftCarotid Artery DiseasesHepatic ArteryElectrocardiographyTreatment OutcomeCoronary CirculationSplenic ArteryCardiac TamponadeOxygenCardiomegalyCarotid Artery, CommonMesenteric Artery, SuperiorCeliac ArteryMyocardial InfarctionProspective StudiesIndicator Dilution TechniquesCardiovascular Physiological PhenomenaCentral Venous PressureModels, CardiovascularPhysical ExertionVasodilator AgentsUmbilical ArteriesVasoconstrictionMiddle Cerebral ArteryExercise TestNorepinephrineVasodilationSwineCardiac VolumeCarbon DioxideCoronary DiseaseCardiotonic AgentsOphthalmic ArteryCoronary AngiographyHeart ArrestRats, Sprague-DawleyDisease Models, AnimalBlood Gas AnalysisEchocardiography, DopplerPulmonary Wedge PressureHypertension, PulmonaryRenal Artery ObstructionReproducibility of ResultsThoracic ArteriesCardiomyopathiesCardiopulmonary BypassSplanchnic CirculationTemporal ArteriesHeart Defects, Congenital