急性心肌梗死是冠心病中一种非常严重的类型,死亡率较高。50%的病人会出现心梗先兆,如果能及时处理,部分病人有机会避免心肌梗死的发生。因此,当出现以下这些情况时,要警惕是否为心肌梗死的先兆。1、心绞痛的频率、程度较以往突然加重。典型的心绞痛发作常有劳累、情绪激动等诱因,多表现为胸骨中上段的压榨感或胀闷 Acute myocardial infarction is a very serious type of coronary heart disease with a high mortality rate. 50% of patients will have signs of myocardial infarction, if handled promptly, some patients have the opportunity to avoid the occurrence of myocardial infarction. Therefore, when the following situations occur, be alert whether it is a sign of myocardial infarction. 1, the frequency of angina, a sudden increase in severity than in the past. Typical angina attacks often tired, emotional and other incentives, and more performance for the upper sternal compression feeling or bloating