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冠心病患者心肌缺血急性发作时,常具有心绞痛、心肌梗死等明显特征。但也有不少冠心病患者心肌缺血发作时,没有心前区疼痛、胸闷、气促等症状。无症状性心肌缺血发作既可见于以往无任何冠心病史的患者,也可见于已有过心绞痛或心肌梗死的患者。有人对一组已明确诊断为冠心病的病
Coronary heart disease patients with acute myocardial ischemia, often with obvious features such as angina, myocardial infarction. But there are many patients with coronary heart disease myocardial infarction attack, there is no precordial pain, chest tightness, shortness of breath and other symptoms. Asymptomatic myocardial ischemia can be seen both in the past without any history of coronary heart disease patients, can also be found in patients with angina or myocardial infarction. Some people have a clear diagnosis of coronary heart disease