邓君曙(宜兴市第二人民医院心内科,江苏宜兴214221)人体的生命活动非常复杂,迄今为止我们了解的也只是冰山一角。但心率和血压是最重要的生命体征之一,已形成医学界共识。早在21世纪初,国内就有少数学者对心率与心血管病危险性做过研究,认为自主神经功能的平衡是机体维持生命与心血管正常功能的重要保证,一旦交感神经慢性激活,副交感神经功能 Deng Junshu (Department of Cardiology, Second People’s Hospital of Yixing, Yixing 214221, Jiangsu Province) The life activities of human body are very complicated. So far we know only the tip of the iceberg. However, heart rate and blood pressure are among the most important vital signs, and medical consensus has emerged. As early as the beginning of the 21st century, few scholars in China have done research on the risk of heart rate and cardiovascular disease. They think that the balance of autonomic nervous function is an important guarantee for the body to maintain the normal function of life and cardiovascular. Once the sympathetic nerve is chronically activated, the parasympathetic nerve Features