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Hoffmann’s sign
  1. Robin Anthony Weir1,
  2. Cindy Chew2
  1. 1 Cardiology, Hairmyres Hospital, East Kilbride, UK
  2. 2 Radiology, Hairmyres Hospital, East Kilbride, UK
  1. Correspondence to Robin Anthony Weir, Cardiology, Hairmyres Hospital, East Kilbride G75 8RG, UK; Robinweir75{at}

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A 39-year-old woman with known multilevel intervertebral disc disease and longstanding right leg weakness presented with new weakness affecting the left arm and left leg. Examination revealed Medical Research Council grade 4/5 power in both left arm and leg with diminished sensation in the left C5-7 dermatomes, pathologically brisk left upper and lower limb reflexes and a positive Hoffmann’s sign on the left …

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  • Contributors RAW was the patient’s consultant, performed the examination seen on the video, and composed the manuscript. CC performed and reported the MRI scan on the patient, prepared the MRI images for the submission, and critically reviewed the manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Obtained.

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

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