Echocardiography, TransesophagealEchocardiographyCardiologyEchocardiography, Three-DimensionalEchocardiography, DopplerEchocardiography, Doppler, ColorEchocardiography, StressHeart DiseasesEchocardiography, Doppler, PulsedMitral ValveDobutamineHeart Septal Defects, AtrialVentricular Function, LeftHeart AtriaMitral Valve InsufficiencyVentricular Dysfunction, LeftHeart VentriclesCardiac CatheterizationHeart Valve DiseasesStroke VolumeHeart NeoplasmsCardiac Surgical ProceduresHeart Defects, CongenitalHeart Valve ProsthesisElectrocardiographyAortic ValveHeartPredictive Value of TestsObserver VariationAtrial AppendageSensitivity and SpecificityMyocardial ContractionProspective StudiesEmbolismDiastoleCardiac OutputEsophagusHemodynamicsSystoleAtrial Function, LeftAortic Valve InsufficiencyCardiology Service, HospitalExercise TestFeasibility StudiesMyocytes, CardiacCardiotonic AgentsMitral Valve ProlapseBlood Flow VelocityHeart SeptumIntraoperative CareHeart FailureHeart Valve Prosthesis ImplantationAortic DiseasesThrombosisFetal HeartCoronary CirculationMyocardial InfarctionContrast MediaCardiomyopathiesAortic Valve StenosisReproducibility of ResultsMonitoring, IntraoperativeMitral Valve StenosisCardiac VolumeTricuspid ValveMyocardial IschemiaTricuspid Valve InsufficiencyCoronary DiseaseCoronary AngiographyMyxomaTreatment OutcomeEndocarditisAtrial FibrillationHeart AneurysmMyocardiumFollow-Up StudiesHypertrophy, Left VentricularForamen Ovale, PatentHeart Septal Defects, VentricularChordae TendineaeCardiac TamponadeDipyridamoleTime FactorsEchocardiography, Four-DimensionalArrhythmias, CardiacCardiac Pacing, ArtificialVentricular RemodelingPericardial EffusionEndocarditis, BacterialPulmonary VeinsHeart Function TestsVentricular Function, RightAorta, ThoracicCardiomyopathy, HypertrophicCardiac Imaging TechniquesIntraoperative PeriodHeart MurmursRetrospective StudiesCardiomyopathy, DilatedSeptal Occluder Device