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Is Computed Tomography Alone Versus Computed Tomography Plus Magnetic Resonance Imaging Enough for the Diagnosis of Strokes?

  1. You are a member of the healthcare team seeing a 68-year-old man with a left parietal acute ischemic stroke (AIS), as defined by computed tomography (CT) imaging of the brain. In the previous study by Hefzy and colleagues, adding which one of the following imaging studies was associated with improved outcomes at 1 year?
    Magnetic resonance imaging (MRI)
    CT angiography
    Transcranial Doppler
  2. Which one of the following outcomes was most improved by adding MRI to CT imaging of the brain among patients with AIS in the current study by Cabral Frade and colleagues?
    Disability at hospital discharge
    Death during admission
    Death or recurrent stroke at 12 months
    Neither death/disability at discharge nor death or recurrent stroke at 12 months