EcholocationEcho-Planar ImagingVocalization, AnimalChiropteraImage EnhancementMagnetic Resonance ImagingHouse CallsPhantoms, ImagingImage Interpretation, Computer-AssistedHotlinesArtifactsSound SpectrographyReproducibility of ResultsEmergency Medical Service Communication SystemsAlgorithmsContrast MediaTranscription Termination, GeneticUltrasonographyTelephoneUltrasonicsEchocardiographyAnimal CommunicationDoppler EffectImaging, Three-DimensionalEchocardiography, TransesophagealCentral Nervous System AgentsSoundAmbulancesSignal-To-Noise RatioTime FactorsMagnetic Resonance SpectroscopyAcousticsAcoustic StimulationEchovirus 9Echovirus InfectionsSignal Processing, Computer-AssistedTransducersGadolinium DTPARadio WavesMagnetic Resonance Imaging, CineObserver VariationSpectrophotometry, InfraredPredatory BehaviorBrainFeasibility StudiesSpin LabelsMitral Valve StenosisFourier AnalysisOrthopteraPoison Control CentersPattern Recognition, PhysiologicalProspective StudiesAtrial Function, LeftHospital Communication SystemsEchocardiography, StressAfter-Hours CareNight CareComputer SimulationFlight, AnimalEchocardiography, DopplerMagnetic Resonance AngiographyHeart DiseasesHearingEmergency Medical ServicesDipyridamolePasseriformesEnterovirus B, HumanFerrosoferric OxideSound LocalizationVibrationStrigiformesTriageNew MexicoMitral ValveKlippel-Feil SyndromeBlood Flow VelocityHeart VentriclesCreatinePredictive Value of TestsStroke VolumeMeningitis, ViralBatrachoidiformesProtonsAtrioventricular NodeUltrasonography, MammaryMagnetite NanoparticlesAuditory CortexRetrospective StudiesBrain MappingRemote ConsultationWaterAuditory PathwaysThermographyEquipment DesignVentricular Function, LeftCineradiographySexual Behavior, AnimalCellular PhoneChondromalacia PatellaeGene Transfer Techniques