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冠心病常见的致病因素是真正的或相对的心肌血氧过低,心肌缺氧与心绞痛有密切关系,这是已经反复证明了的。由这种血氧过低而引起的心肌缺血,因其程度和持续时间的不同而产生各种的临床表
Common causes of coronary heart disease is true or relative myocardial hypoxia, myocardial hypoxia and angina have a close relationship, which has been repeatedly proven. Myocardial ischemia caused by this hypoxemia is caused by the difference in the degree and the duration