Subclavian steal syndrome
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Subclavian steal syndrome is a constellation of signs and symptoms that arise from retrograde blood flow in the vertebral artery or the internal thoracic artery, due to proximal stenosis or occlusion of the subclavian artery. The arm may be supplied by blood flowing in a retrograde direction down the vertebral artery at the expense of the vertebrobasilar circulation.
Subclavian steal syndrome can result in symptoms such as presyncope, syncope, neurological defects, and the blood pressure differential between the arms. Treatment may include lifestyle changes, medications like antiplatelet therapy and oral anticoagulation, or surgery to bypass the blockage.
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