早期复极综合征(early repolarization syndrome,ERS)是一种常见的心电图变异,其发生率为1.5%～9.1%,多见于青年男性,其本身虽无重要意义,临床也多无任何症状,但少数患者可表现为心悸、胸闷、胸痛等,且多为自主神经功能紊乱所致,一旦出现则使临床诊断产生困难,容易误诊为其他严重疾患,故值得临床重视。现将我院2006年1月～2007年1月 ERS 误诊3例分析如下。1 病例资料例1:男,48岁。因反复发作头晕、胸闷痛3年余,加重2h入院。体检:血压140/90 mmHg,痛苦 Early repolarization syndrome (ERS) is a common ECG variation, the incidence of 1.5% to 9.1%, more common in young men, although its own no significance, but also clinical no more symptoms, but A small number of patients can be manifested as palpitations, chest tightness, chest pain, etc., and mostly due to autonomic dysfunction, once the clinical diagnosis makes it difficult to easily misdiagnosed as other serious diseases, it deserves clinical attention. Now my hospital January 2006 ~ January 2007 ERS misdiagnosed as 3 cases are as follows. 1 case data example 1: male, 48 years old. Due to recurrent dizziness, chest pain for more than 3 years, increased 2h admission. Physical examination: blood pressure 140/90 mmHg, painful