胸痛是急诊患者中比较常见的主诉,占全部急诊患者的5%,其病因多种多样。急诊胸痛最为重要的是它为一些致命性疾病的主要临床表现,如缺血性胸痛中的急性冠脉综合征(ACS)、主动脉内膜撕裂所致的主动脉夹层、肺血栓栓塞症、急性心包炎可导致心包积液甚至心脏压塞,胸腔其它部位疾患所引起的胸痛如气胸、纵膈肿瘤及食道疾病等。明辨胸痛性质、找出胸痛原因、分析胸痛严重程度,进行合 Chest pain is the more common complaint in emergency patients, accounting for 5% of all emergency patients, with a variety of causes. Emergency chest pain is most important because it is a major clinical manifestation of some fatal diseases, such as acute coronary syndrome (ACS) in ischemic chest pain, aortic dissection due to aortic intimal tear, and pulmonary thromboembolism , Acute pericarditis can lead to pericardial effusion or cardiac tamponade, chest pain caused by other parts of the chest such as pneumothorax, mediastinal cancer and esophageal disease. Identify the nature of chest pain, chest pain to find out the reasons for the analysis of the severity of chest pain, to conduct