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Criteria for diagnosis

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

All four of the features outlined below should be present before the fingernails can be said to be clubbed:

  • increased sponginess of the nail bed
  • loss of the usual acute angle between the nail and the nail bed
  • increased curvature of the nail
  • increased mass of the soft tissues over the terminal phalanges

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