患者女,45岁。因反复左侧肢体麻木无力3天就诊。诉3天来反复出现发作性左侧上下肢麻木无力,每次发作持续数小时,无头痛、恶心呕吐等症状,有高血压病史3年,长期服用降压药。既往无药物过敏史,也未使用过藻酸双酯钠(PSS)。体检:BP20/14kPa,神志清晰,心肺(一),腹软、无压痛,肝脾未触及,肠鸣音正常。膝反射存在,未引出病理反射。ECG:窦性心律、左室高电压。实验室检查; Female patient, 45 years old. Due to repeated left limb numbness 3 days treatment. V. 3 days repeated episodes of paroxysmal left upper limb numbness, each episode lasted several hours, no headache, nausea and vomiting and other symptoms, a history of hypertension for 3 years, long-term use of antihypertensive drugs. No past history of drug allergy, nor the use of sodium alginate (PSS). Physical examination: BP20 / 14kPa, clear consciousness, cardiopulmonary (a), abdominal soft, no tenderness, liver and spleen not touched, bowel sounds normal. Knee reflex exists, did not lead to pathological reflex. ECG: sinus rhythm, left ventricular high voltage. Laboratory examination;