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A 72-year-old male presented with dizziness and significantly weaker left upper extremity than the contralateral side
subclavian steal syndrome
Synonyms: brachio-basilar insufficiency, subclavian retrograde syndrome
Traceability and Development: The sign was first described by contoni in 1960
Pathogenesis: The vast majority of subclavian artery lesions are caused by atherosclerosis
Clinical manifestations: Mainly for the performance of brain and upper limb ischemia
①Cochlear vestibular nerve symptoms: dizziness, which often appears suddenly, is related to head turning or tilting, and is accompanied by ataxia
② vascular headache, may be accompanied by fainting
③ Ocular symptoms: such as diplopia, paroxysmal blindness, transient bilateral visual field defect (ipsilateral hemianopia)
④ Numbness or paresthesia in one or more limbs and weakness and fatigue of the upper limbs on the affected side
⑤ dysphagia, dysphonia, memory loss and so on