冠心病患者常因劳累、饱餐、吸烟、生气、酗酒引起心绞痛发作。单纯的心绞痛发作持续几分钟到十几分钟可自行缓解,如若上述症状加重持续时间延长,且有恶心、大汗淋漓,这是心肌梗塞的征兆。此时必须就地平卧,就地抢救。急性心肌梗塞在发病当时及24小时内多因心律失常、心源性休克、心力衰竭而死亡,能渡过24小时则在3—7天之内还可有险情出现。现将 Coronary heart disease often due to fatigue, food, smoking, angry, alcohol cause angina attacks. Simple episodes of angina sustained for a few minutes to ten minutes to relieve itself, if the symptoms continue to extend the duration of aggravating, and nausea, sweating, which is a sign of myocardial infarction. At this point must be lying on the ground, rescue on the spot. Acute myocardial infarction at the time of onset and within 24 hours due to cardiac arrhythmia, cardiogenic shock, heart failure and death, can spend 24 hours in 3-7 days may also have danger. Now