Cardiac CathetersCardiac CatheterizationCatheters, IndwellingCathetersMyocytes, CardiacCatheterizationCatheterization, Central VenousCardiac OutputHeartArrhythmias, CardiacCardiac Surgical ProceduresCentral Venous CathetersCatheterization, PeripheralDeath, Sudden, CardiacUrinary CatheterizationEquipment FailureUrinary CathetersCardiac Pacing, ArtificialCardiac TamponadeCatheter-Related InfectionsEquipment DesignHeart DiseasesElectrocardiographyCardiomegalyTime FactorsMyocardiumHeart VentriclesMyocardial ContractionTreatment OutcomeHeart ArrestCatheterization, Swan-GanzProspective StudiesHeart AtriaHemodynamicsHeart Conduction SystemHeart RateCardiac Imaging TechniquesEchocardiographyHeart FailureCardiomyopathiesForeign-Body MigrationMyoblasts, CardiacDogsAtrial FibrillationCardiac MyosinsMyocardial InfarctionRetrospective StudiesVentricular Function, LeftCardiac VolumeCardiac GlycosidesBlood PressureJugular VeinsCardiac Output, LowFollow-Up StudiesFluoroscopyOut-of-Hospital Cardiac ArrestSubclavian VeinHeart TransplantationVentricular RemodelingPulmonary VeinsHeart Defects, CongenitalTroponin IStroke Volume