无痛性主动脉夹层很容易误诊,我科诊断2例无痛性主动脉夹层,分析报告如下。1病历摘要例1:男,67岁。因头晕、一过性意识丧失30 min入急诊科。患者在工作时突然出现头晕、意识丧失,伴小便失禁,约2 min后清醒。平素体健,否认高血压、冠心病、糖尿病病史。初步查体:BP 70/50 mm Hg, Painless aortic dissection is easily misdiagnosed, our department diagnosed 2 cases of painless aortic dissection, the analysis report is as follows. 1 case summary 1: male, 67 years old. Due to dizziness, a sense of loss of 30 min into the emergency department. Patients suddenly dizzy at work, loss of consciousness, with incontinence, awake after about 2 min. Usually physical health, denied hypertension, coronary heart disease, diabetes history. Initial examination: BP 70/50 mm Hg,