目的:了解西宁地区中青年知识分子异常心电图的发生情况,探讨西宁与平原地区中青年知识分子心血管疾病的发生发展趋势。方法:11023名西宁地区中青年知识分子心电图作为观察组,10000例普通人群的心电图作为对照组,同时与平原地区相关资料进行对照分析。结果:①观察组主要表现为ST-T改变和束支传导阻滞,对照组主要表现为左室高电压和ST-T改变;②随着年龄增大,异常心电图检出率显著增高;③西宁地区异常心电图检出率明显低于平原地区,两组比较差别有显著性意义(P<0.001)。结论:西宁地区中青年知识分子随着年龄增大,异常心电图检出率和心血管疾病发生有逐步增高趋势,但与平原地区比较又显示心血管系统代偿适应性增强的特点。 Objective: To understand the occurrence of abnormal electrocardiogram among middle-aged and young intellectuals in Xining, and to discuss the occurrence and development trends of cardiovascular diseases among middle-aged and young intellectuals in Xining and plain areas. Methods: A total of 11023 electrocardiograms of middle-aged and young intellectuals in Xining were taken as the observation group. The electrocardiograms of 10,000 general populations were used as a control group, and were compared with relevant data in plain areas. RESULTS: 1 The main manifestations of the observation group were ST-T changes and bundle branch block. The main manifestations of the control group were left ventricular high voltage and ST-T changes. 2 With the increase of age, the detection rate of abnormal electrocardiogram increased significantly; Regional abnormal electrocardiogram detection rate was significantly lower than the plain area, the difference between the two groups was significant (P <0.001). Conclusion: With the increase of age, the abnormal ECG detection rate and the incidence of cardiovascular diseases have gradually increased in young and middle-aged intellectuals in Xining area. However, compared with the plain areas, they show the characteristics of enhanced adaptability of the cardiovascular system.