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| Vertebrobasilar Insufficiency Basilar Artery Insufficiency | Basilar Artery Stenosis | Vertebral Artery Insufficiency | Vertebral Artery Stenosis | Basilar Artery Ischemia | Basilar Insufficiency | Vertebral Artery Ischemia | Vertebro-Basilar Insufficiency Localized or diffuse reduction in blood flow through the vertebrobasilar arterial system, which supplies the BRAIN STEM; CEREBELLUM; OCCIPITAL LOBE; medial TEMPORAL LOBE; and THALAMUS. Characteristic clinical features include SYNCOPE; lightheadedness; visual disturbances; and VERTIGO. BRAIN STEM INFARCTIONS or other BRAIN INFARCTION may be associated. | |
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