RYR2 and catecholaminergic polymorphic ventricular tachycardia: Results from a study focusing on RBM20 variants responsible for arrhythmogenic cardiomyopathy proposed that affected patients should be clinically viewed similar to other arrhythmogenic cardiomyopathy or catecholaminergic polymorphic ventricular tachycardia (CPVT), which is also caused by mutations in the RYR2 gene [12].