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急性心肌梗塞发病急,病情进展快,死亡率高,是威胁中老年人生命、健康的常见病。据美国资料,因心肌梗塞死亡的病人约2/3是在送医院途中死亡的。70年代以来,冠心病的急症人数剧增,院外急救亦更为重要。必须就地抢救,争分夺秒。 一、据各地区统计,急性心肌梗塞病人中有2/3的人有先兆表现。最突出的是原来已经趋于稳定的心绞痛开始频繁发作,且疼痛的程度加重,持续的时间延长,服用硝酸甘油治疗效果不明显。心电图的改变也比较明显。如果在这个阶段能引起注意,及时处理,有一部分病人则可以避免发生急性心肌梗塞。
The acute onset of acute myocardial infarction, the rapid progression of the disease, high mortality rate, is a threat to the lives of elderly, common diseases of health. According to the U.S. data, about two-thirds of those who died of myocardial infarction died while on their way to the hospital. Since the 1970s, the number of emergency cases of coronary heart disease has soared. First aid out of hospital is also more important. Must be rescued on site, race against time. First, according to local statistics, 2/3 of patients with acute myocardial infarction have threatened performance. The most prominent is that the already stable angina began to frequent attacks, and the degree of pain aggravated, sustained the extension of time, taking nitroglycerin treatment effect is not obvious. ECG changes are more obvious. If attention can be given to this stage and prompt treatment, some patients can avoid acute myocardial infarction.