ibutilide

== English == === Etymology === From ibut- (of unknown origin) +‎ -ilide (“Class III antiarrhythmic”). === Pronunciation === (General American) IPA(key): /aɪˈbjuː.təˌlaɪd/ === Noun === ibutilide (uncountable) (pharmacology) An antiarrhythmic agent indicated for acute cardioconversion of atrial fibrillation and atrial flutter of a recent onset to sinus rhythm.