Template:MR studies CVA/TIA

MR Imaging (for Rule-Out CVA or TIA)

  • MRI Brain with DWI (without contrast) AND
  • Cervical vascular imaging (ACEP Level B in patients with high short-term risk for stroke):[1]
    • MRA brain (without contrast) AND
    • MRA neck (without contrast)
      • May instead use Carotid CTA or US (Carotid US slightly less sensitive than MRA)[2] (ACEP Level C)
  1. ACEP Clinical Policy: Suspected Transient Ischemic Attackfull text
  2. Nederkoorn PJ, Mali WP, Eikelboom BC, et al. Preoperative diagnosis of carotid artery stenosis. Accuracy of noninvasive testing. Stroke. 2002;33:2003-2008.