Myocytes, CardiacCardiac OutputHeartMyocardial ContractionVentricular Function, LeftArrhythmias, CardiacCardiac Surgical ProceduresHemodynamicsStroke VolumeDeath, Sudden, CardiacVentricular PressureHeart VentriclesCardiac VolumeMyocardiumCardiac Pacing, ArtificialDiastoleCardiac CatheterizationVentricular FunctionDogsHeart RateBlood PressureCardiomegalyCardiac TamponadeSystoleHeart FailureHeart DiseasesEchocardiographyHeart Function TestsEchocardiography, DopplerFluid TherapyCardiac Output, LowCardiotonic AgentsBlood VolumeCardiomyopathiesHeart ArrestTime FactorsElectrocardiographyVentricular Dysfunction, LeftBlood Volume DeterminationModels, CardiovascularHypovolemiaVentricular Function, RightThermodilutionMyoblasts, CardiacPlasma SubstitutesCardiac MyosinsVentricular RemodelingCardiac Imaging TechniquesMyocardial InfarctionCardiomyopathy, DilatedCardiac GlycosidesSatiationCentral Venous PressureOut-of-Hospital Cardiac ArrestMitral ValveCoronary CirculationMyocardial IschemiaDental AbutmentsFetal HeartHeart TransplantationTroponin IPulmonary Wedge PressureHypotensionDobutamineSatiety ResponseVascular ResistanceHeart Defects, CongenitalHeart AtriaPericardiumDenture Precision AttachmentProspective StudiesCalciumTreatment OutcomeDisease Models, AnimalRats, Sprague-DawleyBlood Flow VelocityPressureCardiac Resynchronization TherapyTroponin TPolygelineHeart Conduction SystemCardiopulmonary ResuscitationAtrial Natriuretic FactorIsotonic SolutionsHeart NeoplasmsCardiac Care FacilitiesDental Implants, Single-ToothHypertrophy, Left VentricularMonitoring, PhysiologicAnesthesia, ObstetricalVenae CavaeEchocardiography, TransesophagealCardiac ElectrophysiologyHydroxyethyl Starch DerivativesEchocardiography, Doppler, ColorIsoproterenolStress, MechanicalFibrosisAnesthesia, SpinalVascular Capacitance