Institute of Health Innovation & Education (IHIE)
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Find all of the Neurovascular posts here.
Secondary stroke prevention decreases subsequent stroke and therefore disability.
Anterior circulation of the brain comprises of internal carotid artery and its branches.
Posterior circulation of the brain consists of 2 vertebral arteries, 1 basilar artery, 2 posterior cerebral arteries and their branches.
Absence of collateral function due to hypoplasia or stenosis of collateral arteries may lead to a higher risk of stroke in patients with severe internal carotid artery occlusive disease
Retinal vein occlusion is the blockage of one of the main veins of the retina and is one of the commonest retinal vascular occlusive disorders, usually associated with a variable degree of visual loss
Central Retinal Artery Occlusion (CRAO) is an ophthalmologic emergency that may result in a complete vision loss that is frequently irreversible. It is considered as having a stroke of the eye
Stroke is defined as βrapidly developed clinical signs of focal (or global) disturbance of cerebral function, lasting more than 24βh or leading to death, with no apparent cause other than of vascular originβ
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