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心肌梗塞,并不罕见。不仅常见于中、老年人,也发生在年轻人。本病急性期死亡率以往高达40～50%,近年来由于医疗技术的发展,强调就地抢救、综合治疗及建立冠心病治疗体系,已下降到10～20%。高脂血症、高血压及抽烟,是北美发生心肌梗塞最危险的因子。然而,一旦发生心肌梗塞后,这些因子便居于次要地位,以下诸因素则变为更重要。在发病后的最初四天,大面积梗塞,前壁梗塞以及左室功能差,从而出现休克及心律失常,是急性死亡
Myocardial infarction is not uncommon. Not only common in the elderly, but also in young people. In the past the mortality rate of acute stage as high as 40 to 50%, in recent years due to the development of medical technology, emphasizing on-site rescue, comprehensive treatment and the establishment of coronary heart disease treatment system, has dropped to 10 to 20%. Hyperlipidemia, high blood pressure, and smoking are among the most dangerous causes of myocardial infarction in North America. However, these factors are secondary to myocardial infarction, and the following are more important. In the first four days after onset, large-scale infarction, anterior infarction and poor left ventricular function, resulting in shock and arrhythmia, is acute death