Chew DS, et al. - Authors attempted to determine if fragmented QRS (fQRS) complexes on 12 lead surface ECGs during the initial post-myocardial infarction (MI) period would be linked with adverse LV remodeling over the following year. A two-fold higher risk of no LVEF recovery was associated to fQRS complexes, independent of prior MI or CABG, baseline LVEF, MI location and QRS duration or axis. A decline will be seen, despite contemporary post-MI therapy, >1 in 4 patients in LVEF during follow-up. Findings demonstrated that fragmented QRS complexes on 12 lead surface ECG early post-MI could prove to be a valuable marker of unfavorable LV remodeling and could associate with an increased peri-infarct scar on cardiac magnetic resonance imaging (CMR) imaging.