Echo-Planar ImagingEcholocationImage EnhancementMagnetic Resonance ImagingSensitivity and SpecificityReproducibility of ResultsImage Interpretation, Computer-AssistedPhantoms, ImagingChiropteraArtifactsContrast MediaImaging, Three-DimensionalAlgorithmsUltrasonographyTime FactorsEchocardiographyTreatment OutcomeEquipment DesignProspective StudiesEchocardiography, TransesophagealMagnetic Resonance SpectroscopyObserver VariationUltrasonicsFeasibility StudiesDoppler EffectTransducersSignal-To-Noise RatioGadolinium DTPABrainSignal Processing, Computer-AssistedPredictive Value of TestsGerm-Free LifeFollow-Up StudiesMagnetic Resonance Imaging, CineMagnetic Resonance AngiographyRetrospective StudiesTomography, X-Ray ComputedSpin LabelsEchovirus 9Spectrophotometry, InfraredEchovirus InfectionsRadio WavesFourier AnalysisEchocardiography, DopplerMitral Valve StenosisEquipment Failure AnalysisEvaluation Studies as TopicComputer SimulationBacteriological TechniquesAuditory PerceptionSoundHeart DiseasesEchocardiography, StressOrganic AgricultureBlood Flow VelocityPolymerase Chain ReactionAtrial Function, LeftWaterReference ValuesFerrosoferric OxideHeart VentriclesStroke VolumeSurgery, Computer-AssistedImage Processing, Computer-AssistedHeart AtriaMitral ValvePrognosisProtonsComplementary TherapiesUltrasonography, MammaryElectrocardiographyVentricular Function, LeftEnterovirus B, HumanAnalysis of VarianceCreatineDipyridamoleMolecular Sequence DataStatistics, NonparametricSeverity of Illness IndexSwineSubtraction TechniquePilot ProjectsVentricular Dysfunction, LeftMotionMagneticsDiagnostic ImagingRisk FactorsVibrationMagnetite NanoparticlesMaterials TestingBrain MappingUltrasonography, Doppler, ColorEchocardiography, Doppler, ColorSulfur HexafluorideGadoliniumElasticity Imaging TechniquesDiffusionThermographyModels, BiologicalElectron Spin Resonance Spectroscopy