Atrial FlutterAnti-Arrhythmia AgentsCatheter AblationAtrial FibrillationPropafenoneProcainamideElectrocardiographyAmiodaroneFlecainideTricuspid ValveHeart AtriaDisopyramideElectric CountershockElectrophysiologic Techniques, CardiacHeart Conduction SystemArrhythmias, CardiacHeart BlockCardiac Pacing, ArtificialPericarditisSotalolTachycardia, SupraventricularTachycardiaBody Surface Potential MappingRefractory Period, ElectrophysiologicalMexiletineAtrial Function, RightAtrial FunctionAtrial Premature ComplexesVena Cava, InferiorPulmonary VeinsTachycardia, ParoxysmalElectrophysiologyTachycardia, Ectopic AtrialRecurrenceDogsCryosurgeryQuinidineTachycardia, VentricularAtrioventricular NodeTreatment OutcomeFollow-Up StudiesLidocaineElectrocardiography, AmbulatoryHydrops FetalisBepridilSulfonamidesTocainideCoronary SinusFluoroscopyHeart RateAtrial Function, LeftVentricular FibrillationTachycardia, Sinoatrial Nodal ReentryBundle of HisPhenethylaminesAction PotentialsDigoxinTime FactorsCardiac CathetersProspective StudiesCardiac Complexes, PrematureButylscopolammonium BromideSick Sinus SyndromeFetal DiseasesHeartAprindineTachycardia, Atrioventricular Nodal ReentryPacemaker, ArtificialHeart DiseasesEchocardiography, TransesophagealVenae CavaeEdrophoniumPostoperative ComplicationsDefibrillators, ImplantableRetrospective StudiesAcetanilidesEndocardiumAtrial AppendageCardiac CatheterizationEchocardiographyHeart VentriclesWolff-Parkinson-White SyndromePyrimidinonesSodium Channel BlockersDysgeusiaAtrial SeptumHeart Defects, CongenitalSinoatrial NodeArrhythmia, SinusEncainideSurgery, Computer-AssistedAzygos VeinAconitineGuinea PigsCardiac Surgical ProceduresPotassium Channel BlockersDigitalis GlycosidesAnticoagulants