Association of fragmented QRS with left atrial scarring in patients with persistent atrial fibrillation undergoing radiofrequency catheter ablation

Fragmented QRS (fQRS) in 12-lead ECG is a non-invasive marker of intra-myocardial conduction delay due to ventricular scarring which has not been studied in AF before.
Source: Heart Rhythm - Category: Cardiology Authors: Source Type: research