Case Report

Acute Onset of Hypersomnolence and Aphasia Secondary to an Artery of Percheron Infarct and a Proposed Emergency Room Evaluation

Figure 1

MRI brain diffusion weighted imaging series (a) and T2 (b) demonstrating bilateral paramedian thalamic infarcts. CTA vessel study. (c) Axial-Maximum Intensity Projection (MIP); (d) axial-3D-MIP; and (e) reconstructed 3D image demonstrates an Artery of Percheron (arrow) arising from the right Posterior Cerebral Artery P1 segment.