Aortic arch origin of left vertebral artery

Case contributed by Dr Henry Knipe


Altered conscious state secondary to subarachnoid haemorrhage.

Patient Data

Age: 60
Gender: Female

Variant origin of left vertebral artery as the third branch off the aortic arch. 

Case Discussion

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

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Case information

rID: 24291
Published: 5th Aug 2013
Last edited: 14th Aug 2019
Inclusion in quiz mode: Excluded

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