Overview
Introduction
A thrombus that blocks the dural venous sinuses or cortical veins turns the brain’s out‑flow into a traffic jam.
NCLEX-RN
NCLEX-RN
A thrombus that blocks the dural venous sinuses or cortical veins turns the brain’s out‑flow into a traffic jam. Venous pressure builds, cerebral perfusion falls, and fluid leaks into the parenchyma. The resulting rise in intracranial pressure and possible hemorrhagic infarction make CVST a stroke variant that behaves very differently from arterial occlusion. Because the presentation is often vague—a new severe headache, seizure, or focal deficit in a young patient—recognition hinges on linking risk factors to the characteristic imaging pattern and then initiating anticoagulation without delay.
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