由于植物神经功能失调引起典型“肺型P波”在临床上并不多见,笔者近年来发现一例,经多方面临床检查证实,现简要报告如下:患者孙某,女,34岁,挡车工。既往健康,因突然晕厥而收入院.该患者因寒冷,剧疼、紧张、恐惧而诱发晕厥。两年内晕厥发作十余次,每次发病均未经持殊治疗,卧倒后自行缓解。发作时面色苍白,出冷汗,乏力,且伴有恶心和呕吐,无抽搞,无意识障碍,无大小便失禁等症状.这次发病是该患者陪同本车间同事到职工医院就诊时遇到一位外伤病人出血而晕厥,收入院观察治疗.患者曾因反复发病到其它医院拟诊为“心脏病”。入院检查:神志清楚,一般情况良好,五官端正,气管居中,甲状腺不肿大,无眼球突出 As a result of autonomic dysfunction caused by the typical “pulmonary P wave” is rare in clinical practice, I found a case in recent years, confirmed by various clinical tests, are now briefly reported as follows: Patients Sunmou, female, 34 years old, Block workers. In the past, he was admitted to the hospital for sudden syncope and the patient developed fainting due to cold, severe pain, nervousness and fear. Syncope episodes within two years more than ten times, each time without any special treatment, lying down and relieve themselves. Bleeding pale, sweating, fatigue, accompanied by nausea and vomiting, no smoking, unconsciousness, no incontinence and other symptoms of the patient is accompanied by the patient to the hospital workers encountered a hospital visit a Patients with traumatic hemorrhage and syncope, income hospital observation and treatment of patients had repeated attacks to other hospitals to be diagnosed as “heart disease ”. Admission examination: Consciousness, the general condition is good, facial features, tracheal center, thyroid is not swollen, no eyeball prominent