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Sustained reversed flow in right vertebral artery in subclavian steal syndrome

Carotid duplex imaging shows sustained reversed flow in the right vertebral artery in a 72-year-old woman with innominate artery occlusion and subclavian steal syndrome. (Source: George JM, Cooke PV, Ilonzo N, Tadros RO, Grossi RJ. Management of innominate artery occlusion with severe left common carotid artery stenosis. Cureus 2021;13[11]:e19592. Creative Commons Attribution 4.0 International [CC BY 4.0] license,