“…These professionals need to confirm the presence of angina or coronary disease by thorough physical evaluation and complementary exams, and this requires fast and concise reasoning due to emotional and cultural factors influencing patients' pain perception, as well as to different cardiac and non cardiac causes with clinical characteristics associated to vascular, pulmonary, gastrointestinal, musculoskeletal and psychological systems 3 . Acute chest pain needs accurate clinical evaluation by means of different indicators also common to other types of pain, such as location, onset type, intensity, irradiation, type, duration, recurrence, triggering, worsening or improving factors, associated signs and symptoms, comorbidities, risk factors and personal and family morbid history 4 .…”