66Novel quadripolar active fixation left ventricular pacing lead for cardiac resynchronisation therapy: initial UK experience. (10th October 2018) - Chapman, M; Linker, N; Bates, M; Thornley, A; Dewhurst, M; Williams, I; Behar, J; Monkhouse, C; Hayward, C; Muthumula, A; Chow, A; Turley, A