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

Figure 3

Proposed comprehensive radiological evaluation pathway to be completed in the Emergency Department. Acute onset of any of the following symptoms: altered mental status, memory impairment, hypersomnolence, coma, aphasia, and vertical gaze palsy. ⁺Emergent MRI brain without contrast with limited series of images to be done only if the patient is within the therapeutic window for thrombolysis (<4.5hrs since symptom onset).