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近年来,人们日益清楚地认识到引起明显血流动力学改变的冠状动脉狭窄不一定伴有临床症状。迄今仍有不少医师忽视无症状性冠状动脉疾病。无症状性冠状动脉疾病有4种临床类型:一过性隐匿型(无痛性)心肌缺血,隐匿型(未被发现的)心肌梗塞,心源性猝死和缺血性心肌病。共同的证据是不伴有胸痛的心肌缺血及其并发症。缺血性心肌病例外,左室衰竭前曾有缺血症状者和从无缺血症状者归为一类。据估计,25％心源性猝死者并无心脏病史。既往健康的心源性猝死(经复苏)幸
In recent years, it has become increasingly clear that coronary stenoses that cause significant hemodynamic changes are not necessarily associated with clinical symptoms. To date, many physicians still ignore asymptomatic coronary artery disease. There are 4 clinical types of asymptomatic coronary artery disease: transient occult (painless) myocardial ischemia, occult (undiscovered) myocardial infarction, sudden cardiac death, and ischemic cardiomyopathy. The common evidence is myocardial ischemia without chest pain and its complications. In cases of ischemic cardiomyopathy, those with ischemic symptoms before left ventricular failure and those without ischemic symptoms are grouped into one category. It is estimated that 25% of people with sudden cardiac death have no history of heart disease. Previously healthy sudden cardiac death (via recovery) Fortunately