Design of a new mortality indicator in acute coronary syndrome on admission to the Intensive Care Unit Herminia Lozano Gómez; Adrián Rodríguez García; María Ángeles Rodríguez Esteban; Cristina López Ferraz; María del Pilar Murcia Hernández; Alberto Fernández Zapata; Esther Villarreal Tello; Javier Ruiz Ruiz; Virginia Fraile Gutiérrez; Lorenzo Socias Crespi; Luis Alberto Pallas Beneyto; Beatriz Villanueva Anadón; Elena Porcar Rodado; Juan José Araiz Burdio;