# ibutilide

> English word · Noun · IPA /aɪˈbjuː.təˌlaɪd/

## Definitions
1. An antiarrhythmic agent indicated for acute cardioconversion of atrial fibrillation and atrial flutter of a recent onset to sinus rhythm.

## Etymology
From ibut- (of unknown origin) + -ilide (“Class III antiarrhythmic”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ibutilide