What is the role of MRI in the workup of ischemic stroke?

Updated: May 27, 2020
  • Author: Edward C Jauch, MD, MS, FAHA, FACEP; Chief Editor: Helmi L Lutsep, MD  more...
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Answer

MRI with magnetic resonance angiography (MRA) has been a major advance in the neuroimaging of stroke. MRI not only provides great structural detail but also can demonstrate early cerebral edema. In addition, MRI has proved to be sensitive for detection of acute intracranial hemorrhage. However, MRI is not as available as CT scanning is in emergencies, many patients have contraindications to MRI imaging (eg, pacemakers, implants), and interpretation of MRI scans may be more difficult.


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