Aortic arch origin of left vertebral artery
Altered conscious state secondary to subarachnoid haemorrhage.
Loading Stack -
0 images remaining
Variant origin of left vertebral artery as the third branch off the aortic arch.
Origin of the left vertebral artery is classically from the left subclavian artery. However, ~5% of left vertebral arteries will have a variable origin with the most common being as a branch of the aortic arch 1.