49-year-old history of CHF 3 presenting with headache and dizziness x 2 days. Increased right-sided weakness and paresthesia. There is no evidence of intracranial hemorrhage, mass or edema. No definite acute cortical stroke is seen however MRI is recommended if concern for ischemia is present. Focal hypoattenuation in the left centrum semiovale consistent with old subcortical infarct. The ventricles and basal cisterns are normal in size and configuration.The calvaria and skull base are radiographically normal. The visualized paranasal sinuses and mastoid air cells are normally pneumatized.
No evidence of acute cortical stroke. Old left subcortical stroke.