93Dual energy cardiac computed tomography is feasible in guiding optimal left ventricular lead placement in CRT upgrades using coronary venous anatomy, scar and dyssynchrony data. (10th October 2018) - Gould, J; Behar, J; Rajani, R; Sieniewicz, B; Sidhu, B S; Porter, B; Claridge, S; Razavi, O; Niederer, S; Toth, D; Mountney, P; Haberland, U; et al.