False-col Arteriograph Of Human Head
by Alain Pol, Ism/science Photo Library
Title
False-col Arteriograph Of Human Head
Artist
Alain Pol, Ism/science Photo Library
Medium
Photograph - Photograph
Description
False-colour arteriograph (angiograph) of the human head, showing the network of normal arteries that supply oxygenated blood to the brain. Angiography is the X-ray examination of an artery that has been outlined by the prior injection of a radio-opaque contrast medium. The technique is used to evaluate presence of cerebro- vascular disease, whereby the vessels become blocked by fatty plaques (atheroma) or rupture due to hypertension (high blood pressure), resulting in an interruption or reduction in the blood supply to the brain. A sudden & severe attack (a stroke) may lead to paralysis & death.
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October 3rd, 2018
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