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40 year old women with vertebral arterio-venous fistula secondary to penetrating cervical trauma. Left: Arch Aortogram showing flow with early occlusion in the left vertebral artery (white arrow) with retrograde flow in the left brachiocephalic vein (black arrow). Right: Left Subclavian Angiogram showing catheter in the left subclavian artery (black arrow), an early occlusion of the left vertebral artery (star) and retrograde flow in the left brachiocephalic vein (white arrow).
