Ischemic stroke CT

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Aysha Anwar, M.B.B.S [2]

Overview

CT

CT scan without contrast is the initial test performed to diagnose ischemic stroke and rule out hemorrhagic stroke. In the emergency setting, the sensitivity and specificity of CT scan is described below:^[1]

CT scans (without contrast enhancements)

sensitivity= 16%

specificity= 96%