P929Atrial diverticula as a source of focal atrial tachycardia. (19th March 2018) - Mishima, R S; Emami, M; Kadhim, K; Thiyagarajah, A; Khokhar, K B; Munawar, D A; Linz, D; Mahajan, R; Lau, D H; Sanders, P