心悸胸闷是常见主诉症状。我们对300例主诉为心悸胸闷患者进行24小时动态心电图监测,旨在为临床提供对心脏疾患的可靠诊断依据,现综合分析如下。资料和方法300例均为门诊就诊患者,随机抽样,主诉为心悸、胸闷患者。其中男149例,女151例。≥60岁34例,50～59岁59例,40～49岁83例, Palpitation Chest tightness is a common complaint. We are 300 cases of complaints of palpitations chest tightness patients with 24-hour Holter monitoring, designed to provide a reliable basis for the clinical diagnosis of heart disease, is now a comprehensive analysis is as follows. Materials and Methods 300 cases were outpatient visits, random sampling, the main complaint was heart palpitations, chest tightness patients. There were 149 males and 151 females. 34 cases of 60 years old, 59 cases of 50 to 59 years old, 83 cases of 40 to 49 years old,