Cardiac CatheterizationCatheters, IndwellingCathetersUrinary CatheterizationCatheterizationCatheterization, Central VenousCatheterization, PeripheralHeart Defects, CongenitalCardiac OutputEchocardiographyMyocytes, CardiacHemodynamicsCardiac Surgical ProceduresHeartCoronary AngiographyElectrocardiographyPulmonary ArteryMyocardial InfarctionTreatment OutcomeCatheterization, Swan-GanzHeart DiseasesTime FactorsProspective StudiesHeart VentriclesPulmonary Wedge PressureAngiocardiographyHypertension, PulmonaryRetrospective StudiesEchocardiography, DopplerCardiac Care FacilitiesHemostatic TechniquesRadial ArteryCardiology Service, HospitalCineangiographyArrhythmias, CardiacFluoroscopyAngioplasty, Balloon, CoronaryFemoral ArteryHeart Septal Defects, VentricularFollow-Up StudiesVentricular Function, LeftIntermittent Urethral CatheterizationCoronary Artery DiseasePulmonary Valve StenosisCoronary DiseaseEquipment DesignPericarditis, ConstrictiveCardiac CathetersSubclavian VeinHeart AtriaStroke VolumeCentral Venous CathetersHeart Septal Defects, AtrialBlood PressureUrinary CathetersAortic Valve StenosisEmbolism, CholesterolCardiac Pacing, ArtificialHeart FailurePulmonary VeinsCardiologyAngiographyMyocardial ContractionEquipment FailureCoronary Artery BypassJugular VeinsCoronary CirculationDeath, Sudden, CardiacHeart Bypass, RightRadiography, InterventionalMyocardiumPulmonary CirculationCoronary VesselsVentricular PressureVentricular Dysfunction, LeftFemoral VeinHeart SeptumVascular ResistanceRisk FactorsCatheter-Related InfectionsPredictive Value of TestsInfant, NewbornCoronary Vessel AnomaliesCardiomegalyContrast MediaCardiomyopathiesExercise TestCardiac TamponadeUrinary RetentionCyanosisHeart ArrestHeart RateRadiology, InterventionalCardiomyopathy, RestrictiveRisk AssessmentCardiomyopathy, HypertrophicMitral ValveEarly AmbulationFeasibility StudiesHeart Function Tests