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Vertebrobasilar insufficiency (VBI) describes a temporary set of symptoms due to decreased blood flow in the posterior circulation of the brain. The posterior circulation supplies the medulla , pons , midbrain , cerebellum and (in 70-80% of people) supplies the posterior cerebellar artery to the thalamus and occipital cortex . [ 1 ]
Locked-in syndrome; Other names: Cerebromedullospinal disconnection, [1] de-efferented state, pseudocoma, [2] ventral pontine syndrome: Locked-in syndrome can be caused by a stroke at the level of the basilar artery denying blood to the pons, among other causes. Specialty: Neurology, Psychiatry
The basilar artery (U.K.: / ˈ b æ z. ɪ. l ə /; [1] [2] U.S.: / ˈ b æ s. ə. l ər / [3]) is one of the arteries that supplies the brain with oxygen-rich blood.. The two vertebral arteries and the basilar artery are known as the vertebral basilar system, which supplies blood to the posterior part of the circle of Willis and joins with blood supplied to the anterior part of the circle of ...
As a result, blood travels up one of the other blood vessels to the brain (the other vertebral or the carotids), reaches the basilar artery or goes around the cerebral arterial circle and descends via the (contralateral) vertebral artery to the subclavian (with the proximal blockage) and feeds blood to the distal subclavian artery (which ...
Raymond–Céstan syndrome; Other names: upper dorsal pontine syndrome, Basillar artery runs down the middle(in above image) and blockage is cause of this condition. Diagram of the arterial circulation at the base of the brain (inferior view). Diagnostic method: Cect/ncct brain, mri brain
Foville's syndrome is caused by the blockage of the perforating branches of the basilar artery in the region of the brainstem known as the pons. [1] It is most frequently caused by lesions such as vascular disease and tumors involving the dorsal pons.
Benedikt syndrome is caused by a lesion (infarction, hemorrhage, tumor, or tuberculosis) in the tegmentum of the midbrain and cerebellum. Specifically, the median zone is impaired. It can result from occlusion of the posterior cerebral artery [1] or paramedian penetrating branches of the basilar artery. [2]
Medial inferior pontine syndrome is a condition associated with a contralateral hemiplegia. [citation needed] ... Basilar artery is #7, and pons is visible below it.