患者男,75岁,因“突发左侧肢体活动障碍4 d,发作性意识不清1 d”入院。患者入院4 d前晨起时发现左侧肢体活动障碍,至当地医院给予改善循环等处理后症状未见明显缓解,至1 d前出现发作性意识不清,伴四肢间歇、短暂性抖动(类似肌阵挛样发作),持续5~10 min自行缓解,上述症状发作频率逐渐增加。入院查体:生命体征平 Male patient, 75 years old, because of “sudden left limb movement disorder 4 d, episodic confusion 1 d ” admission. Patients found that the left limb movement disorder was found in the morning before 4 days of admission, no obvious relief was found in the local hospital after the improvement of circulation and other treatments. The onset of episodes of unconsciousness before 1 day with intermittent limbs and transient jitter (similar to Myoclonus-like seizures), sustained 5 to 10 min self-remission, the frequency of the above symptoms increased gradually. Admission examination: vital signs flat