Vertebrobasilar insufficiency
Vertebrobasilar insufficiency
Definition
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.
Also known as vertebrobasilar arterial insufficiency, vertebrobasilar artery syndrome, vertebrobasilar insufficiency — per MONDO