P417Reliability and reproducibility of surface and intracardiac electrocardiograms in patients with syncope. (19th March 2018) - Lallemand, P; Younsi, S; Coquard, C; Dinanian, S; Sebag, C; Extramiana, F; Gandjbakhch, E; Lellouche, N; Marijon, E; Algalarrondo, V