P4666Different etiologies of functional tricuspid regurgitation are associated with significant heterogeneity in right chamber size and tricuspid valve geometry. (28th August 2018) - Muraru, D; Addetia, K; Guta, A C; Ochoa-Jimenez, R; Genovese, D; Aruta, P; Mihaila, S; Bidviene, J; Mor-Avi, V; Prado, A; Iliceto, S; Lang, R M; et al.