SCN5A and catecholaminergic polymorphic ventricular tachycardia: 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).