Complete left bundle-branch block (LBBB) is associated with increased 1-year mortality in patients with congestive heart failure (CHF): Data from IN-CHF registry Samuele Baldasseroni, Cristina Opasich, Marco Gorini, Niccol� Marchionni, Carlo Campana, Antonella Deorsola, Giulio Masotti, Luigi Tavazzi, Aldo P. Maggioni. ANMCO Research Center, Florence, Italy, Dept. of Critical Care Medicine and Surgery Section of Geriatric Medicine, University of Florence, Florence, Italy