对无痛性主动脉夹层1例分析如下。1病历摘要男,50岁。因头昏、乏力、胸闷、气促、上腹部不适3 d入院。患者近3 d来无诱因反复发作胸闷,间断有活动后气促,伴咽喉部哽噎感,上腹部闷胀不适及头昏,双下肢乏力,夜间可平卧,无胸 Painless aortic dissection in 1 case analyzed as follows. 1 medical record summary male, 50 years old. Due to dizziness, fatigue, chest tightness, shortness of breath, upper abdominal discomfort 3 d admission. In the past 3 days, there was no incentive for patients to recurrent chest tightness, intermittent shortness of breath after activity, with throat soreness, abdominal distension and dizziness, dizziness, lower extremity fatigue, supine at night, no chest