Torsades de PointesErythromycinLong QT SyndromeAnti-Arrhythmia AgentsElectrocardiographySotalolPhenethylaminesEther-A-Go-Go Potassium ChannelsAstemizoleTerfenadineCisaprideAtrioventricular BlockBradycardiaHeart BlockArrhythmias, CardiacBepridilHeart Conduction SystemAmiodaroneQuinidineMagnesium SulfateTakotsubo CardiomyopathyDrug-Related Side Effects and Adverse ReactionsMexiletineCardiac Complexes, PrematurePotassium Channel BlockersPotassium Channels, Voltage-GatedSulfonamidesAcetanilidesDogsSyncopeDelayed Rectifier Potassium ChannelsAction PotentialsHypokalemiaTachycardiaKCNQ1 Potassium ChannelErythromycin EstolateVentricular Premature ComplexesDisopyramideAza CompoundsCnidarian VenomsElectrophysiologic Techniques, CardiacDrug Evaluation, PreclinicalHeartHeart RateDrugs, InvestigationalPrenylamineKCNQ Potassium ChannelsHistamine H1 AntagonistsProcainamideHeart VentriclesRabbitsPotassium ChannelsNAV1.5 Voltage-Gated Sodium ChannelMethoxamineCardiac Pacing, ArtificialErythromycin EthylsuccinatePurkinje FibersTachycardia, VentricularAnti-Bacterial AgentsElectrophysiologyChromansElectrocardiography, AmbulatoryImidazolidinesVentricular FibrillationSodium Channel BlockersCation Transport ProteinsPiperidinesPacemaker, ArtificialSodium ChannelsDrug OverdoseDose-Response Relationship, Drug