PulseUltrasonographyUltrasonicsUltrasonic TherapyHigh-Intensity Focused Ultrasound AblationUltrasonography, InterventionalMicrobubblesUltrasonography, PrenatalTransducersHigh-Energy Shock WavesPulse Wave AnalysisUltrasonography, DopplerPulse Therapy, DrugUltrasonography, Doppler, ColorSensitivity and SpecificityReproducibility of ResultsPulsatile FlowMicroscopy, AcousticPregnancyAcousticsBlood Flow VelocityContrast MediaImaging, Three-DimensionalProspective StudiesTime FactorsElasticity Imaging TechniquesPhantoms, ImagingSonicationEndosonographyEchoencephalographyEquipment DesignImage Interpretation, Computer-AssistedUltrasonography, MammaryGestational AgePredictive Value of TestsFetal DiseasesSignal Processing, Computer-AssistedImage EnhancementFluorocarbonsUltrasonography, Doppler, PulsedSulfur HexafluorideUltrasonography, Doppler, DuplexPregnancy Trimester, SecondBlood PressureOximetryObserver VariationCarotid ArteriesCalcaneusWiskott-Aldrich Syndrome Protein FamilyPulse RadiolysisPhonophoresisBrachial ArteryMagnetic Resonance ImagingUltrasound, High-Intensity Focused, TransrectalAlgorithmsImage Processing, Computer-AssistedTreatment OutcomeElasticityFeasibility StudiesLithotripsyPalpationSoundRadio WavesArteriesRetrospective StudiesPregnancy Trimester, FirstFollow-Up StudiesElectric StimulationCoronary VesselsEquipment Failure AnalysisInfant, NewbornTomography, X-Ray ComputedFemoral ArteryComplianceRegional Blood FlowElectrocardiographyRisk FactorsPressureModels, CardiovascularTransducers, PressureEchocardiographyPregnancy Trimester, ThirdPrenatal DiagnosisReference ValuesComputer SimulationDoppler EffectLasersUltrasonography, Doppler, TranscranialBrain WavesFetal HeartCoronary AngiographyCoronary Artery DiseaseModels, BiologicalAdnexal DiseasesCarotid Artery DiseasesAction PotentialsMagnetic Resonance Imaging, InterventionalTunica IntimaRadial ArteryStents