A rare cause of syncope: subclavian steal syndrome secondary to takayasu arteritis

Takayasu arteritis, first described in 1908 by Dr Mikito Takayasu, is a rare systemic, granulomatous inflammation of the aorta and its major branches with unknown etiology. The disease most commonly affects young women. In this case report, we discuss a 76-year-old female with syncope diagnosed as subclavian steal syndrome secondary to Takayasu arteritis. Ninety percent stenosis of the left proximal subclavian artery and filling of left subclavian artery via right vertebral-basilary and left vertebral arteries were observed angiographically.