所谓“冠心病发作”包括:心肌缺血、心绞痛、心肌梗死、心源性猝死等急性心脏事件。这些急性心脏事件,不但带给病人以极大的痛苦,更重要的是,它常常危及病人的生命。因此,弄清其发病规律,着眼干预防,防患于未然,意义重大。目前,国内外公认冠心病发作高峰期,是上午6～12点,约占全部病人的70%～80%,心源性猝死则多发于上午7～11点。人们通常把这一时间段称为冠心病发作 The so-called “coronary heart attack ” Including: myocardial ischemia, angina, myocardial infarction, sudden cardiac death and other acute cardiac events. These acute cardiac events not only bring great suffering to patients, but more importantly, they often endanger the lives of patients. Therefore, to clarify its pathogenesis, focus on intervention prevention, take preventive measures, of great significance. Currently, at home and abroad recognized peak coronary heart disease episodes, is 6 am to 12 o’clock, accounting for about 70% to 80% of all patients, sudden cardiac death are frequent in the morning 7 to 11 o’clock. People usually refer to this period as a coronary heart attack