目的探讨青年急性心肌梗死(AMI)的误诊原因。方法对误诊的78例青年AMI患者的临床资料进行回顾性分析。结果 78例青年AMI患者首发症状多样化,梗死部位以前壁和下壁为主。结论对青年AMI认识不足、症状不典型,加之心电图和生化检查的局限性增加误诊,临床医生应提高对本病的认识。 Objective To investigate the causes of misdiagnosis in young acute myocardial infarction (AMI). Methods The clinical data of 78 cases of misdiagnosed AMI patients were retrospectively analyzed. Results 78 cases of young patients with AMI diversification of the first symptoms, infarction site to the former and the next wall. Conclusion The lack of understanding of young AMI, atypical symptoms, combined with the limitations of ECG and biochemical tests increased misdiagnosis, clinicians should raise awareness of the disease.