Cardiac Output, HighCardiac OutputIntraabdominal InfectionsIntestinal FistulaArteriovenous FistulaThermodilutionHemodynamicsCardiac Output, LowMyocytes, CardiacHeartVascular ResistanceHeart RateBlood PressureDye Dilution TechniqueCardiography, ImpedanceCardiac Surgical ProceduresDogsStroke VolumeOxygen ConsumptionArrhythmias, CardiacRegional Blood FlowCatheterization, Swan-GanzHeart Function TestsPulmonary CirculationMyocardial ContractionHeart FailureBlood CirculationCardiac CatheterizationBlood VolumeCardiac Pacing, ArtificialDeath, Sudden, CardiacMonitoring, PhysiologicTime FactorsHeart VentriclesMyocardiumHeart DiseasesVentricular Function, LeftIndicator Dilution TechniquesEchocardiographyCardiac TamponadeOxygenCardiovascular Physiological PhenomenaCardiomegalyCentral Venous PressurePhysical ExertionCarbon DioxideElectrocardiographyCardiac VolumeHeart ArrestBlood Gas AnalysisBlood Flow VelocityPulmonary ArteryModels, CardiovascularCardiotonic AgentsExercise TestRespirationPulmonary Wedge PressureEchocardiography, DopplerCardiomyopathiesCardiovascular SystemNorepinephrineVentricular FunctionReproducibility of ResultsCoronary CirculationSplanchnic CirculationBlood Volume DeterminationRats, Sprague-DawleyHypotensionExerciseFetal HeartVentricular Dysfunction, LeftProspective StudiesHeart Defects, CongenitalPulmonary Gas ExchangeMonitoring, IntraoperativePlethysmography, ImpedanceSheepSwineMyocardial InfarctionCardiopulmonary BypassXylazineHeart TransplantationFluid TherapyVentricular RemodelingEpinephrineTreatment OutcomeAnoxiaDisease Models, AnimalHypertension, PulmonaryIndocyanine GreenRestPropranololMyoblasts, CardiacVentricular PressureMuscle, SkeletalCardiac MyosinsCatecholaminesHematocritPostureSupine Position