steal

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This will preclude the subclavian steal phenomenon from occurring so as to perfuse the left subclavian artery; consequently, surgical re-implantation of the left subclavian artery to the left carotid artery would be mandatory.
The steal phenomenon causes ischaemia or infarction of the anterolateral LV wall.
In addition, vasodilatation in the run-off of these untied branches may induce the steal phenomenon as well (7).