Cardiac CatheterizationVestibule, LabyrinthLabyrinth DiseasesEar, InnerUrinary CatheterizationCatheterizationSemicircular CanalsHeart Defects, CongenitalCardiac OutputMyocytes, CardiacCatheterization, PeripheralPlacentaEchocardiographyCardiac Surgical ProceduresHeartHemodynamicsCoronary AngiographyEndolymphatic DuctCatheterization, Central VenousMyocardial InfarctionPulmonary ArteryTime FactorsHeart DiseasesElectrocardiographyAngiocardiographyHypertension, PulmonaryEchocardiography, DopplerPulmonary Wedge PressureHeart VentriclesCardiac Care FacilitiesPlacentationCardiology Service, HospitalHemostatic TechniquesCineangiographyHeart Septal Defects, VentricularRadial ArteryProspective StudiesArrhythmias, CardiacTreatment OutcomeEndolymphatic HydropsRetrospective StudiesAngioplasty, Balloon, CoronaryCochleaFemoral ArteryIntermittent Urethral CatheterizationVentricular Function, LeftCoronary Artery DiseasePericarditis, ConstrictivePulmonary Valve StenosisEndolymphCoronary DiseaseCatheterization, Swan-GanzVestibular DiseasesVestibular Nucleus, LateralVestibular NucleiFollow-Up StudiesEmbolism, CholesterolHeart Septal Defects, AtrialStroke VolumePetrous BoneCaloric TestsVestibular NerveMesylatesAortic Valve StenosisSaxitoxinIon Channel GatingCardiologyHeart FailureFluoroscopyBlood PressureMyocardial ContractionCoronary Artery BypassDeath, Sudden, CardiacShab Potassium ChannelsHeart Bypass, RightCardiac Pacing, ArtificialAngiographyEndolymphatic SacMyocardiumCoronary CirculationPerilymphPulmonary CirculationTrophoblastsHydrocharitaceaeVentricular Dysfunction, LeftVentricular PressurePregnancyCardiomegalyHeart AtriaCoronary Vessel AnomaliesCyanosisVascular ResistanceExercise TestCardiomyopathy, RestrictiveCoronary VesselsHeart ArrestCardiomyopathiesFenestration, LabyrinthHeart SeptumCardiomyopathy, Hypertrophic