A member asked:

What is the definition or description of: vertebro basilar artery insufficiency?

A doctor has provided 1 answer

VBI: Refers to a temporary set of symptoms due to decreased blood flow in the posterior circulation of the brain. The posterior circulation supplies blood to the medulla, cerebellum, pons, midbrain, thalamus, and occipital cortex (responsible for vision).

Answered 12/9/2013

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