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确诊的冠状动脉疾病病人在日常活动时出现无症状心肌缺血具有不良的预后。如长期稳定性心绞痛和不稳定性病人动态心电图(AECG)上出现无症状缺血是心肌死亡的最好指标。尽管简单的无症状心肌缺血的存在似乎是预示致死性心脏事件的标志,但以前没有很好地全面评价AECG的诊断和预示
Patients with diagnosed coronary artery disease who have asymptomatic myocardial ischemia during their daily activities have a poor prognosis. Asymptomatic ischemia, such as on long-term stable angina and unstable patient electrocardiogram (AECG), is the best indicator of cardiac death. Although the presence of simple asymptomatic myocardial ischemia appears to be indicative of a lethal cardiac event, the diagnosis and prognosis of AECG have not been well characterized in the past