Inclusion Criteria:  Patients >18 years old who admitted to ED complaining of chest pain. Chest pain is considered to be an acute chest pain, described as pain, pressure, tightness, or burning as outlined in the guidelines. Chest pain equivalent symptoms may include dyspnea, epigastric pain, and pain in the left arm.  Exclusion Criteria:  Patients unable to complete the EDACS Posttraumatic chest pain Patients who did not give consent to participate