IDIOPATHIC VENTRICULAR ARRHYTHMIAS MAY BE ASSOCIATED WITH A SUBCLINICAL CARDIOMYOPATHY AS ASSESSED BY CARDIAC MRI T1 MAPPING AND STRAIN

Idiopathic ventricular arrhythmias (VAs) occur in pts without apparent structural heart disease (SHD), although some develop left ventricular (LV) dysfunction over time. It is not clear whether a subclinical myopathic process occurs in pts with idiopathic VAs and preserved LVEF. We prospectively