1. Ibutilide Increases the Variability and Complexity of Atrial Fibrillation Electrograms: Antiarrhythmic Insights Using Signal Analyses Biviano, Angelo B.; Ciaccio, Edward J.; Whang, William; Garan, Hasan 2013 Articles Myocardial depressantsElectrophysiologyCardiology--ResearchAtrial fibrillationBiologyMedical sciencesMedicine