Echocardiography, TransesophagealEchocardiographyEchocardiography, Three-DimensionalEchocardiography, DopplerEchocardiography, Doppler, ColorEchocardiography, StressMitral ValveHeart Septal Defects, AtrialHeart AtriaEchocardiography, Doppler, PulsedMitral Valve InsufficiencyHeart DiseasesDobutamineFamily PracticeAtrial AppendageHeart Valve DiseasesHeart Valve ProsthesisEsophagusVentricular Function, LeftEmbolismHeart NeoplasmsCardiac CatheterizationAortic ValveVentricular Dysfunction, LeftHeart VentriclesIntraoperative CareAortic DiseasesObserver VariationStroke VolumeSensitivity and SpecificityAtrial Function, LeftPredictive Value of TestsMonitoring, IntraoperativeThrombosisAortic Valve InsufficiencyProspective StudiesMitral Valve ProlapseCardiac Surgical ProceduresFeasibility StudiesHeart Valve Prosthesis ImplantationHeart Defects, CongenitalChordae TendineaeElectrocardiographyForamen Ovale, PatentHeart SeptumBlood Flow VelocityPractice Guidelines as TopicPhysician's Practice PatternsAtrial FibrillationDiastoleEndocarditisHemodynamicsHeart AneurysmReproducibility of ResultsAorta, ThoracicMitral Valve StenosisIntraoperative PeriodMyxomaMyocardial ContractionPulmonary VeinsSystoleTricuspid ValveEndocarditis, BacterialAortic Valve StenosisContrast MediaTreatment OutcomeHeart Septal Defects, VentricularExercise TestSeptal Occluder DeviceTricuspid Valve InsufficiencyCoronary CirculationEmbolism, ParadoxicalCardiotonic AgentsFollow-Up StudiesElectric CountershockFetal HeartEvaluation Studies as TopicDipyridamoleCoronary AngiographyProfessional PracticeCoronary DiseaseHeartTime FactorsHeart RuptureAortic AneurysmThoraxCardiac VolumeUltrasonography, InterventionalGeneral PracticeIntracranial EmbolismThromboembolismPericardial EffusionVentricular Function, RightMyocardial IschemiaRetrospective StudiesEchocardiography, Four-DimensionalCardiomyopathiesMyocardial InfarctionHypertrophy, Left VentricularRisk Factors