Clinical question: Acute stroke? Signs and symptoms: Bilateral weakness. Nonenhanced head CT:There is no detectable intracranial hemorrhage, edema, mass-effect, midline shift or hydrocephalus. The cortical sulci, ventricular system, CSF cisterns and gray -- white matter differentiation remains within normal. Considering normal to consecutive CT examination recommend follow-up with an MRI exam.Calvarium is intact. Visualized paranasal sinuses and mastoid air cells are unremarkable.
Negative nonenhanced head CT. Recommend follow up with an MRI considering clinical information provided and two very recent negative head CT's.