Chest pain is a frequent complaint in the emergency department, and the lack of timely diagnosis of the acute coronary syndrome is associated with high mortality and malpractice lawsuits.There are multiple algorithms to depileve easy clean rule out this condition; however, they are designed for institutions with the availability of cardiac biomarkers; In Colombia, few primary care settings have these.This article reviews the tools that have been described in the literature to rule out this diagnosis in the low-complexity emergency department.There are three scales: Vancouver Chest Pain Rule, INTERCHEST, and Marburg Heart Score; the latter has the most evidence with some limitations as it was Neuw Rebel Skinny Eternal Black Jeans developed in the context of intermittent and non-acute pain.We propose a diagnostic algorithm including physical findings, electrocardiogram, and prediction scales.