Atrial FlutterTorsades de PointesLong QT SyndromeElectrocardiographyCatheter AblationAnti-Arrhythmia AgentsAtrial FibrillationHeart BlockTricuspid ValveHeart Conduction SystemElectrophysiologic Techniques, CardiacSotalolProcainamidePropafenoneElectric CountershockCardiac Pacing, ArtificialAmiodaronePericarditisHeart AtriaDisopyramideTachycardiaPhenethylaminesBody Surface Potential MappingAtrioventricular BlockEther-A-Go-Go Potassium ChannelsAtrial Function, RightAstemizoleTachycardia, SupraventricularTerfenadineVena Cava, InferiorFlecainideDogsSulfonamidesArrhythmias, CardiacCisaprideElectrophysiologyAtrial FunctionBradycardiaRefractory Period, ElectrophysiologicalAtrial Premature ComplexesTachycardia, Ectopic AtrialElectrocardiography, AmbulatoryTachycardia, ParoxysmalBepridilHydrops FetalisCardiac Complexes, PrematureCryosurgeryTreatment OutcomeHeart RateAction PotentialsAcetanilidesMagnesium SulfateFollow-Up StudiesQuinidineMexiletineDrug-Related Side Effects and Adverse ReactionsTakotsubo CardiomyopathyPotassium Channels, Voltage-GatedPotassium Channel BlockersPulmonary VeinsPacemaker, ArtificialRecurrenceCoronary SinusFluoroscopyAtrioventricular NodeSyncopeHeartDelayed Rectifier Potassium ChannelsCardiac CathetersTachycardia, VentricularButylscopolammonium BromideAtrial Function, LeftEndocardiumSick Sinus SyndromeTime FactorsTachycardia, Sinoatrial Nodal ReentryHypokalemiaKCNQ1 Potassium ChannelFetal DiseasesEchocardiography, TransesophagealHeart VentriclesVenae CavaeVentricular Premature ComplexesEdrophoniumProspective StudiesBundle of HisDrugs, InvestigationalHeart DiseasesCnidarian VenomsRetrospective StudiesDrug Evaluation, PreclinicalAtrial AppendageDigoxinPrenylamineKCNQ Potassium ChannelsAza CompoundsHistamine H1 AntagonistsTachycardia, Atrioventricular Nodal ReentryDysgeusiaAtrial Septum