Foramen Ovale, PatentHeart Septal Defects, AtrialEmbolism, ParadoxicalForamen OvaleEchocardiography, TransesophagealSeptal Occluder DeviceAtrial SeptumPatents as TopicHeart AneurysmValsalva ManeuverPlasmodium ovaleEmbolismCardiac CatheterizationHeart SeptumMigraine with AuraIntracranial EmbolismPrevalenceBalloon OcclusionHeart Septal DefectsStrokeForamen MagnumDecompression SicknessProstheses and ImplantsUltrasonography, Doppler, TranscranialEchocardiographyMigraine DisordersCardiac Surgical ProceduresSecondary PreventionHigh Pressure Neurological SyndromeIschemic Attack, TransientEmbolism, AirDivingPulmonary EmbolismHeart AtriaRecurrenceContrast MediaIntracranial Embolism and ThrombosisTreatment OutcomeEchocardiography, Doppler, ColorCerebrovascular DisordersThromboembolismFluoroscopyRisk FactorsAnticoagulantsFollow-Up StudiesProsthesis ImplantationDevice RemovalCarcinoid Heart DiseaseVena Cava, InferiorEmbolectomyProspective StudiesCardiac TamponadeRespiratory ParalysisBrain IschemiaAnoxiaHeart DiseasesForeign-Body MigrationThrombosisDyspneaHeart ValvesEchocardiography, Three-DimensionalEchoencephalographyGelatinRadiography, InterventionalRetrospective StudiesAbsorbable ImplantsEquipment DesignMagnetic Resonance ImagingProsthesis DesignCatheterizationPostureIntention to Treat AnalysisCerebral InfarctionSensitivity and SpecificityPlatelet Aggregation InhibitorsCerebral ArteriesFibrinolytic Agents