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Use of diffusion-weighted MRI in the emergency department for unconscious trauma patients with negative brain CT
  1. Je Sung You1,
  2. Seung Whan Kim2,
  3. Hahn Shick Lee3,
  4. Sung Pil Chung3
  1. 1Department of Emergency Medicine & Critical Care Medicine, Seo-Ulsan Boram Hospital, Ulsan, Republic of Korea
  2. 2Department of Emergency Medicine, Chungnam National University, College of Medicine, Daejon, Republic of Korea
  3. 3Department of Emergency Medicine Yonsei University College of Medicine, Seoul, Republic of Korea
  1. Correspondence to Sung Pil Chung, MD, PhD, Department of Emergency Medicine, Gangnam Severance Hospital, Dogok-dong, Gangnam-gu, Seoul, 135-720, Republic of Korea; emstar{at}


Diffusion-weighted MRI, a type of MR technique that can distinguish between cerebral fat embolism and diffuse axonal injury, is presented in this report. Emergency physicians should consider using diffusion-weighted imaging in unconscious trauma patients when their brain CT scans are unremarkable.

  • Embolism
  • fat
  • diffuse axonal injury
  • diffusion magnetic resonance imaging

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  • Competing interests None.

  • Patient consent Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.