posterior cerebral artery - DocNeuro https://docneuro.com/tag/posterior-cerebral-artery/ Up-to-date concepts in neurology Thu, 23 Aug 2012 04:44:51 +0000 en-US hourly 1 https://wordpress.org/?v=6.4.3 Posterior Cerebral Artery https://docneuro.com/posterior-cerebral-artery/?utm_source=rss&utm_medium=rss&utm_campaign=posterior-cerebral-artery Thu, 23 Aug 2012 04:44:51 +0000 https://docneuro.jz7sunfr-liquidwebsites.com/posterior-cerebral-artery/ Acute infarcts lead to cell swelling in a process called cytotoxic edema. Signal in diffusion weighted MRI (DWI) is inversely related to the degree of brownian motion of intraparenchymal water. When an infarct produces cytotoxic edema, water is trapped inside the cell results in increased DWI signal. Sometimes, increased DWI can be an artifact of […]

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