Ibutilide is an antiarrhythmic medication that is used to treat atrial fibrillation and atrial flutter. There are several other words that can be used to describe ibutilide, including Covert, Corvert, and ibutilide fumarate. These terms are simply different names for the same medication, and they are used interchangeably depending on the context in which they are being discussed. While the names may differ, the purpose and function of the medication remain the same, and it is important for medical professionals and patients alike to be aware of the various names that ibutilide may be referred to as.