Echocardiography, TransesophagealEchocardiographyEchocardiography, Three-DimensionalMagnetic Resonance ImagingEchocardiography, DopplerEchocardiography, Doppler, ColorHeart Septal Defects, AtrialMitral ValveAtrial AppendageHeart AtriaEchocardiography, StressMitral Valve InsufficiencyHeart DiseasesEmbolismAortic DiseasesHeart Valve ProsthesisHeart Valve DiseasesHeart NeoplasmsIntraoperative CareEsophagusAortic ValveEchocardiography, Doppler, PulsedThrombosisMagnetic Resonance SpectroscopyCardiac CatheterizationMonitoring, IntraoperativeDobutamineCardiac Surgical ProceduresMitral Valve ProlapseAtrial Function, LeftSensitivity and SpecificityVentricular Function, LeftObserver VariationPredictive Value of TestsForamen Ovale, PatentAortic Valve InsufficiencyHeart VentriclesChordae TendineaeHeart Valve Prosthesis ImplantationProspective StudiesAorta, ThoracicEndocarditisIntraoperative PeriodContrast MediaStroke VolumeVentricular Dysfunction, LeftHeart AneurysmAtrial FibrillationSeptal Occluder DeviceFeasibility StudiesMyxomaHeart SeptumEmbolism, ParadoxicalPulmonary VeinsMitral Valve StenosisEndocarditis, BacterialReproducibility of ResultsElectric CountershockHeart Defects, CongenitalIntracranial EmbolismBlood Flow VelocityThoraxHemodynamicsElectrocardiographyHeart Septal Defects, VentricularAortic AneurysmTricuspid ValveAortic Valve StenosisTreatment OutcomeThromboembolismHeart RuptureTomography, X-Ray ComputedBenzocaineTricuspid Valve InsufficiencyDiastoleFollow-Up StudiesMagnetic Resonance Imaging, CineMyocardial ContractionUltrasonography, InterventionalAneurysm, DissectingEmbolism, AirSystoleAtrial SeptumCoronary CirculationEvaluation Studies as TopicMagnetic Resonance AngiographyCoronary AngiographyTime FactorsIntracranial Embolism and ThrombosisHeartPulmonary EmbolismImage Processing, Computer-AssistedCor TriatriatumVentricular Function, RightCrisscross HeartHematomaThermodilutionExercise TestRetrospective StudiesCardiac Tamponade