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Medical Definition of Vertebrobasilar insufficiency
1. Obstruction or stenosis of the vertebral-basilar system manifested by disturbances of consciousness, vertigo, headache, hemi- or quadriplegia, dysarthria, and facial paralysis. (12 Dec 1998)
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1. Obstruction or stenosis of the vertebral-basilar system manifested by disturbances of consciousness, vertigo, headache, hemi- or quadriplegia, dysarthria, and facial paralysis. (12 Dec 1998)