Cardiopulmonary arrest (CRA) is the most serious event in the health area and its prompt recognition with the consequent initiation of cardiopulmonary resuscitation (CPR) maneuvers are essential for the return of spontaneous circulation (ROSC). Despite the absence of robust epidemiological data, a meta-analysis of 141 studies including countries in North America, Europe, Asia and Oceania, demonstrated a ROSC rate below 30% in cases of out-of-hospital CA, and concluded that the chances of success were linked to the fact that the […]