Vertigo is the hallmark symptom of vertebrobasilar
insufficiency. Other symptoms include visual defects (diplopia),
syncope (drop attacks), dysphagia (difficulty swallowing),
dysarthria , hoarseness, and facial numbness.
Vertigo is the hallmark symptom of vertebrobasilar
insufficiency. Other symptoms include visual defects (diplopia),
syncope (drop attacks), dysphagia (difficulty swallowing),
dysarthria , hoarseness, and facial numbness.
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The cause of vertebrobasilar disease (VD) is atherosclerosis
that affects the vertebrobasilar (posterior) circulation at
intracranial (inside the cranium and includes the basilar artery)
sites and extracranial.
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Mild tortuosity of the vertebrobasilar system is a narrowing of
the vertebral and basilar arteries. This can present as vertigo or
something more serious.
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Recovery is variable depending on the degree of occlusion in the
vertebrobasilar circulation. Persons with the severe form, basilar
artery occlusion, often die in 75-85% of cases.