Bedside index for severity in acute pancreatitis as a predictor of mortality in acute pancreatitis in the Emergency Service Franklin Ríos Jaimes, Enrique Villarreal Ríos, Lidia Martínez González, Emma Rosa Vargas Daza, Liliana Galicia Rodríguez, Mayra Cristina Ortiz Sánchez, Claudia Gardun ̃o Rodríguez