694Epicardial ablation for accessory pathway including coronary angiogram integration into electroanatomical mapping system: a safe and effective alternative after failing endocardial ablation. (19th March 2018) - D'angelo, G; Bisceglia, C; Matta, M; Baratto, F; Cireddu, M; Barbaro, M C; Radinovic, A; Mazzone, P; Gulletta, S; Trevisi, N; Della Bella, P