These include genes associated with long QT syndrome genes (KCNH2 and SCN5A), malignant hyperthermia (RYR1 and CACNA1S), hypercholesterolemia (LDLR), and catecholaminergic polymorphic ventricular tachycardia (RYR2). Here, KCNH2 is linked to catecholaminergic polymorphic ventricular tachycardia.