Cardiac CathetersCardiac CatheterizationCatheters, IndwellingCathetersMyocytes, CardiacCatheterizationCatheterization, Central VenousCardiac OutputHeartArrhythmias, CardiacCardiac Surgical ProceduresCentral Venous CathetersCatheterization, PeripheralDeath, Sudden, CardiacUrinary CatheterizationEquipment FailureUrinary CathetersCardiac Pacing, ArtificialCardiac TamponadeTime FactorsTreatment OutcomeEquipment DesignCatheter-Related InfectionsHeart DiseasesElectrocardiographyCardiomegalyMyocardiumHeart VentriclesProspective StudiesMyocardial ContractionRetrospective StudiesHeart ArrestCatheterization, Swan-GanzHeart AtriaHeart RateHemodynamicsCardiac Imaging TechniquesHeart Conduction SystemHeart FailureEchocardiographyGerminal CenterFollow-Up StudiesCardiomyopathiesForeign-Body MigrationMyoblasts, CardiacDogsAtrial FibrillationCardiac MyosinsBlood PressureVentricular Function, LeftChild Day Care CentersMyocardial InfarctionCardiac VolumeFluoroscopyCardiac GlycosidesJugular VeinsCardiac Output, LowRisk FactorsHeart Defects, CongenitalHeart TransplantationOut-of-Hospital Cardiac ArrestPulmonary VeinsSubclavian VeinVentricular RemodelingTroponin IStroke VolumeCardiac Care FacilitiesPeritoneal Dialysis