患者男,53岁。因眼睑下垂,咀嚼无力10个月,加重1个月,于1983年11月15日入院。8个月前在门诊做新斯的明试验,诊断为“重症肌无力”,一直服用新斯的明治疗。查体:消瘦,神清,语音低微,上睑下垂,两侧瞳孔正大等圆,双侧咀嚼肌萎缩,张口及闭合困难,颈部无力,头抬不起。腱反射减弱。余未见异常。入院后给予溴化新斯的 Male patient, 53 years old. Due to ptosis, chewing weakness 10 months, increased 1 month, on November 15, 1983 admission. Neostigmine was tested in the clinic eight months ago and was diagnosed with “myasthenia gravis.” Neostigmine has been prescribed. Physical examination: weight loss, clear, low voice, ptosis, both sides of the pupil Zhengda round, bilateral masticatory muscle atrophy, mouth and closure difficulties, neck weakness, head lift can not afford. Tendon reflex decreased. I no abnormalities. Brominated neostigmine given after admission