The utility of fragmented QRS complexes to predict significant intraventricular dyssynchrony in nonischemic dilated cardiomyopathy patients with a narrow QRS intervalCanadian Journal of CardiologyKursat Tigen, Tansu Karaahmet, Emre Gurel, Cihan Cevik, Kenneth Nugent, Selcuk Pala, Ali Cevat Tanalp, Bulent Mutlu, Yelda Basaran2009ArticleOpen Access