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Criteria for diagnosis

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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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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