The paper reports on the emergency psychiatric Unit (EPU) that has been instituted in Turin. A period of transformation in the philosophy of psychiatric departments, has led, among other things, to the approval of a regional law that can be considered as a local interpretation, of national legislation. The EPU is an experimental model that codifies the emergency level of intervention to stand alongside existing emergency medical facilities, including first-aid stations. The purpose of this first investigation is to examine the number and type of calls studying the data obtained so far is a fundamental stage in our understanding of the "emergency" phenomenon and in the construction of other levels of intervention aimed to optimise available resources.