Cardiac magnetic resonance-based prediction of ventricular arrhythmic events in non-ischemic cardiomyopathy: derivation and external validation in the international multicenter IMPROVE-NICM Study
Risk stratification for sudden cardiac death (SCD) in non-ischemic cardiomyopathy (NICM) remains suboptimal. Current guidelines recommend primary prevention implantable cardioverter-defibrillator (ICD) implantation in patients with LVEF <35% (NYHA II–III) (1); however, its limited predictive accuracy (2,3) unders...