Atrial FlutterAtrial FibrillationCatheter AblationHeart AtriaAnti-Arrhythmia AgentsElectric CountershockElectrocardiographyPulmonary VeinsElectrophysiologic Techniques, CardiacCardiac Pacing, ArtificialHeart Conduction SystemVentricular FibrillationPropafenoneAmiodaroneTricuspid ValveBody Surface Potential MappingAnticoagulantsIncidenceAtrial AppendageAtrial FunctionWarfarinHeart BlockProcainamideRefractory Period, ElectrophysiologicalTreatment OutcomePericarditisTachycardia, ParoxysmalFlecainideSick Sinus SyndromeAtrial Premature ComplexesAtrial Function, RightTachycardia, SupraventricularFollow-Up StudiesRecurrenceAtrial Function, LeftTachycardiaCoronary SinusAtrioventricular NodeElectrocardiography, AmbulatoryThromboembolismCryosurgeryProspective StudiesDisopyramideTachycardia, Ectopic AtrialSotalolTime FactorsArrhythmias, CardiacPacemaker, ArtificialEchocardiography, TransesophagealRisk FactorsStrokeCranial SinusesMaxillary SinusHeart RateDogsVena Cava, InferiorParanasal SinusesRetrospective StudiesElectrophysiologyDigoxinWolff-Parkinson-White SyndromeSinus of ValsalvaCavernous SinusPostoperative ComplicationsHeart DiseasesEmbolismArrhythmia, SinusAtrial SeptumEchocardiographySinoatrial NodeCardiac Surgical ProceduresFluoroscopybeta-AlanineCarotid SinusCardiac CathetersFrontal SinusInternational Normalized RatioChronic DiseaseParanasal Sinus DiseasesRisk AssessmentSphenoid SinusBundle of HisHydrops FetalisPredictive Value of TestsBepridilBradycardiaCardiac CatheterizationDefibrillators, ImplantableMitral ValveHemorrhageTachycardia, VentricularTachycardia, Sinoatrial Nodal ReentrySurgery, Computer-AssistedEquipment DesignEndocardiumChi-Square DistributionHeart FailureTachycardia, Atrioventricular Nodal ReentryAtrioventricular BlockSinus Thrombosis, Intracranial