Effect of Different Ventricular Arrhythmia Origin on Cardiac Sound Variability Using M-mode Signal Representation. - Raúl Ortiz-Puente; Margarita Sanromán-Junquera; Sergio Muñoz-Romero; Mariano Barbero-Puchades; Mercedes Ortiz; Rebeca Goya-Esteban; José Luis Rojo-Álvarez; Jesús Almendral-Garrote (CinC, 2017)