GuardiApp is a mobile application aimed at medical professionals with the aim of being a help tool during their assistance activity in the guards or in the plant pass. It is developed by a group of residents and young internists of the Society Spanish of Internal Medicine (SEMI) with the endorsement of the Training Group of the SEMI. GuardiAPP presents two major sections: 1. Pathologies: more than 130 topics in which they are described simply and schematically the clinic, tests and diagnostic