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A 87 year old man with atrial fibrillation was found with a left hemiparesis, affecting the arm and lower face more than the leg, and a right gaze preference.
Axial CT scan - 3 days later. The CT shows hypodensity mainly affecting the superior division of the right middle cerebral artery, involving the right frontal lobe above the sylvian fissure. This is one of the most common locations for embolic stroke, either from a proximal arterial source or from the heart.
The Electronic Curriculum is copyrighted 1998, Case Western Reserve University School of Medicine.