Intended for healthcare professionals

Endgames Spot Diagnosis

Tingling and numbness in the arm

BMJ 2019; 366 doi: (Published 04 July 2019) Cite this as: BMJ 2019;366:l2272
  1. Muhammad A Zamir, diagnostic and interventional radiology consultant1,
  2. Jamaal Raoof, medical student2
  1. 1Watford General Hospital, Watford, UK
  2. 2Warwick Medical School, Coventry, UK
  1. Correspondence to M Zamir affanzamir{at}

A 35 year old bricklayer presented with a six day history of numbness and tingling in his left arm. The pain was noticeably worse at night when lying on his left side and exacerbated by abducting the arm. He had no history of trauma and did not use machinery at work. He had no other medical conditions.

Clinical examination showed minor swelling of the left hand compared with the right, with reduced sensation to pain and fine touch at the ulnar aspect …

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