以前冠心病、心肌梗塞多见于 50岁以上的老年人,发病率高达87- 96％,但近年来发病年龄逐渐年轻化,青年人发病在大幅上升;这主要与身心长期处于疲惫状态诱发所致。如工作压力大、生活没规律、睡眠时间少,大量饮酒吸烟等。中青年冠心病与中老年冠心病、心肌梗塞情况相比,有二个特点:一是发病前没有心绞痛症状,一旦突然发作,便很危险;少数人在心前区和胸骨后持续性剧烈痛后,突然死亡。二是多由不 Previous coronary heart disease, myocardial infarction more common in people over the age of 50, the incidence as high as 87-96%, but the onset of age in recent years gradually younger, a substantial increase in the incidence of young people; mainly due to physical and mental exhaustion induced by . Such as work pressure, life is not the law, sleep less, smoking and drinking a lot. Middle-aged and young patients with coronary heart disease and coronary heart disease, myocardial infarction compared to the situation, there are two characteristics: First, before the onset of angina symptoms, once a sudden attack, it is very dangerous; a few people in the precordial and sternal persistent severe pain ,Sudden death. The second is more by no