Ventricular Function, LeftEchocardiographyVentricular Dysfunction, LeftEchocardiography, DopplerStroke VolumeHeart VentriclesCoronary VesselsCoronary AngiographyCoronary CirculationVentricular Function, RightMitral ValveDiastoleMyocardial InfarctionSystoleEchocardiography, Three-DimensionalCoronary Artery DiseaseEchocardiography, Doppler, ColorMyocardial ContractionHeartVentricular FunctionHemodynamicsMitral Valve InsufficiencyElectrocardiographyAngioplasty, Balloon, CoronaryAortic Valve InsufficiencyHeart FailureEchocardiography, TransesophagealCardiac CatheterizationCoronary DiseaseProspective StudiesCoronary Artery BypassPredictive Value of TestsEchocardiography, Doppler, PulsedTreatment OutcomeVentricular RemodelingObserver VariationHypertrophy, Left VentricularFollow-Up StudiesTime FactorsAortic ValveAortic Valve StenosisMitral Valve StenosisHeart DiseasesCoronary StenosisReproducibility of ResultsMyocardiumHeart Valve ProsthesisAtrial Function, RightHeart AtriaTricuspid Valve InsufficiencyBlood Flow VelocityRadionuclide VentriculographyGated Blood-Pool ImagingMitral Valve ProlapseHeart Valve DiseasesVentricular Dysfunction, RightHeart RateBlood PressureMyocardial IschemiaHeart Septal DefectsHeart SeptumHeart Function TestsCardiomyopathy, DilatedRadionuclide AngiographyCardiomyopathiesHeart Defects, CongenitalExercise TestCardiac VolumeCardiomyopathy, HypertrophicSensitivity and SpecificityAngiocardiographySeverity of Illness IndexCineangiographyPrognosisDobutamineRisk FactorsPulmonary Valve InsufficiencyHeart Valve Prosthesis ImplantationPulmonary ArteryRetrospective StudiesHeart Septal Defects, AtrialCardiac OutputFeasibility StudiesCardiac Pacing, ArtificialRisk AssessmentCardiotonic AgentsTomography, Emission-Computed, Single-PhotonAtrial Function, LeftDogsEchocardiography, StressHypertension, PulmonaryAortic Stenosis, SubvalvularVentriculography, First-PassMyocardial ReperfusionVentricular PressureVentricular Outflow ObstructionMagnetic Resonance Imaging, CineTricuspid ValvePhonocardiographyNatriuretic Peptide, Brain