引言冠心病是中老年人常发疾病,在许多欧美国家它已成为死亡的主要原因。有人估计,在西方国家40岁以上的男性,有1/3的可能性死于该病,故也称之为“寡妇病”。在我国,冠心病发病率虽略低于西方,但有急骤上升的趋势,也是严重威胁生命的主要疾病之一。冠心病的 Introduction Coronary heart disease is a common disease in the elderly. In many European and American countries, it has become the leading cause of death. It is estimated that one third of the men over the age of 40 in Western countries die of the disease, so it is also called “widowhood.” In our country, the incidence of coronary heart disease is slightly lower than that in the west, but there is a trend of rapid increase. It is also one of the major diseases that are seriously threatening life. Coronary heart disease