TNNT2 and Ventricular arrhythmia: In 24 mice models ventricular arrhythmias were reported, most frequently in models with sarcomere mutations: Tnnt2 (n = 10 [41.7%]), Myh6 (n = 4 [16.7%]), and Mybpc3 (n = 3 [12.5%]) (Figure 4F).