Defibrillation and Cardiac Geometry

Although ICD therapy is an efficient and reliable therapeutic method, internal defibrillation is a traumatic experience; moreover and there is accumulating evidence that internal defibril‐ lation, especially with high defibrillation energy, may adversely affect cardiac function and even patient prognosis [1, 2]. Therefore, considerable research efforts have been focused on better defining defibrillation mechanisms, particularly aiming at and improving defibrillation efficacy and in order to reduce lowering defibrillation energy requirements.