Vertebrobasilar Insufficiency
Basilar Artery Ischemia; Basilar Insufficiency; Vertebral Artery Ischemia; Vertebro-Basilar Insufficiency; Vertebro-Basilar Ischemia; Vertebrobasilar Dolichoectasia; Vertebrobasilar Ischemia; Artery Insufficiencies, Basilar
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.