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Investigations

Authoring team

Investigations in chronic regional pain syndrome include: (1,2)

  • plain radiography: may demonstrate osteopenia
  • bone scan: may demonstrate increased activity in the affected limb
  • laser Doppler flowmetry: increased blood flow compared to the contralateral side
  • starch-iodine test: increased sweating

 

  1. Harden RN, McCabe CS, Goebel A, et al. Complex regional pain syndrome: practical diagnostic and treatment guidelines, 5th Edition. Pain Med. 2022 Jun 10;23(suppl 1):S1-53.
  2. Harden RN, Oaklander AL, Burton AW, et al; Complex regional pain syndrome: practical diagnostic and treatment guidelines, 4th edition. Pain Med. 2013 Feb;14(2):180-229.

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