JOURNAL OF INTERVENTIONAL CARDIAC ELECTROPHYSIOLOGY, cilt.35, sa.3, ss.337-342, 2012 (SCI-Expanded)
Cardiac resynchronization therapy (CRT) is an effective treatment for heart failure (HF) with a wide QRS. Fragmented QRS (fQRS) on a 12-lead electrocardiography (ECG) has been shown to predict cardiac events in several patient populations. We aimed to investigate the relationship between fragmented wide QRS (f-wQRS) and left ventricular dyssynchrony and response to CRT.