EchocardiographyEchocardiography, TransesophagealEchocardiography, Three-DimensionalEchocardiography, DopplerEchocardiography, StressEchocardiography, Doppler, ColorEchocardiography, Doppler, PulsedDobutamineVentricular Function, LeftVentricular Dysfunction, LeftMitral ValveHeart VentriclesStroke VolumeMitral Valve InsufficiencyHeart DiseasesHeart AtriaHeart Septal Defects, AtrialDiastoleHeart Valve DiseasesObserver VariationPredictive Value of TestsSystoleCardiac CatheterizationMyocardial ContractionElectrocardiographyHeart Defects, CongenitalSensitivity and SpecificityHeart NeoplasmsExercise TestAortic ValveCardiotonic AgentsHemodynamicsFetal HeartEchocardiography, Four-DimensionalProspective StudiesContrast MediaHypertrophy, Left VentricularFeasibility StudiesCoronary CirculationHeart SeptumBlood Flow VelocityHeart Valve ProsthesisTricuspid Valve InsufficiencyHeartAortic Valve InsufficiencyReproducibility of ResultsTricuspid ValveAortic Valve StenosisCardiomyopathiesMyocardial InfarctionMitral Valve ProlapseMitral Valve StenosisHeart FailureDipyridamoleAtrial Function, LeftCardiac VolumeVentricular RemodelingMyocardial IschemiaVentricular Function, RightPericardial EffusionVentricular Dysfunction, RightCoronary DiseaseMyocardiumCoronary AngiographyHeart Valve Prosthesis ImplantationCardiomyopathy, HypertrophicFollow-Up StudiesTime FactorsHeart MurmursHeart Septal Defects, VentricularCardiomyopathy, DilatedMyxomaEmbolismHeart AneurysmCardiac Surgical ProceduresAtrial AppendageFluorocarbonsTreatment OutcomeHypertension, PulmonaryPulmonary ArteryHeart Function TestsUltrasonography, PrenatalEndocarditisForamen Ovale, PatentPrognosisThrombosisSeverity of Illness IndexBlood PressureTomography, Emission-Computed, Single-PhotonMyocardial StunningAbstracting and Indexing as TopicVentricular DysfunctionPhonocardiographyNatriuretic Peptide, BrainHeart RateChordae TendineaeIntraoperative CareCardiac OutputAtrial FibrillationVentricular Function