There have been reports of strokes after the use of the subclavian artery in pulmonosystemic (Blalock) anastomosis, 14 as well as deaths due to basilar-artery insufficiency that followed the use ...

A 75 year-old woman presented with several attacks of slurred speech and unsteadiness. Basilar Artery Stenosis: Cerebral angiogram of the left vertebral / basilar artery; (Left) AP view; Baseline film ...

Basilar invagination is when the top of the spine pushes into the skull’s base. Learn more about what causes it, what to expect, and more.

Newer research suggests that it likely is not due to basilar artery spasms, but many people may still use the old term. While scientists have known about this type of migraine since 1961, ...