Atrial Premature ComplexesCardiac Complexes, PrematureVentricular Premature ComplexesCircadian RhythmArrhythmias, CardiacElectrocardiographyElectrocardiography, AmbulatoryProcainamidePulmonary VeinsAnti-Arrhythmia AgentsCatheter AblationAtrial FibrillationHeart RateHeart Conduction SystemVena Cava, SuperiorTachycardiaTachycardia, VentricularDogsHeart AtriaHeartAction PotentialsPeriodicityBiological ClocksSuprachiasmatic NucleusTreatment OutcomePeriod Circadian ProteinsCircadian Rhythm Signaling Peptides and ProteinsActivity CyclesSleep Disorders, Circadian RhythmPhotoperiodCircadian ClocksCLOCK ProteinsAlpha RhythmCardiac Pacing, ArtificialARNTL Transcription FactorsElectric CountershockTime FactorsCiliaChronobiology DisordersLightDarknessBlood PressureBody TemperatureBradycardiaMotor ActivityHeart BlockArrhythmia, SinusSinoatrial NodeAtrioventricular NodeCryptochromesBeta RhythmSleepPacemaker, ArtificialElectrophysiologic Techniques, CardiacHemodynamicsAtrial FlutterSympathetic Nervous SystemJet Lag SyndromeDelta RhythmTachycardia, SupraventricularRespirationAtrial FunctionAccelerated Idioventricular RhythmHeart VentriclesAmiodaroneElectroencephalographyTelemetryBundle of HisAutonomic Nervous SystemOscillometry