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Anterior Cerebral Artery Infarction - Case 2

A 64 year-old man developed right lower extremity weakness associated with the new onset of rapid atrial fibrillation.

Outline the Infarction

Anterior Cerebral Artery Infarction. Diffusion-weighted MRI scans. Note the high signal intensity in the distribution of the left anterior cerebral artery. As the anterior cerebral artery supplies the medial frontal lobe, an infarct in this distribution predominantly results in weakness of the contralateral leg.

Revised 11/23/06
Copyrighted 2006. David C Preston