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在世界卫生组织对缺血性心脏病的分类中,无症状性缺血性心脏病包括无症状性缺血性心脏病与慢性心肌损伤的非特异性病变。前者无自觉症状而心电图出现缺血性改变,且有明显的心脏以外的动脉硬化。后者系由于动脉硬化引起的慢性心力衰竭与心律不齐。无症状性缺血性心脏病可分为以下4种,①既往史阴性的无自觉症状的心绞痛与心肌梗塞患者,在冠状动脉造影与尸检中发现明显的冠状动脉病变。②同一患者的心绞痛症状时有时无。③无痛性心肌梗塞或心肌梗塞后无症状。④冠状动脉疾病引起心力衰竭与心律不齐。狭义的无症状性缺血性心脏病是指①,
In the WHO classification of ischemic heart disease, asymptomatic ischemic heart disease includes nonspecific lesions of asymptomatic ischemic heart disease and chronic myocardial injury. The former without symptoms and ischemic ECG changes, and there is obvious atherosclerosis outside the heart. The latter is due to atherosclerosis caused by chronic heart failure and arrhythmia. Asymptomatic ischemic heart disease can be divided into the following 4 kinds, ① history of negative patients without prior symptoms of angina pectoris and myocardial infarction, coronary angiography and autopsy found significant coronary lesions. ② sometimes the same patients with angina pectoris symptoms. ③ painless myocardial infarction or asymptomatic after myocardial infarction. Coronary artery disease caused by heart failure and arrhythmia. Narrow asymptomatic ischemic heart disease refers to ①,