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Clubbing is a physical examination finding where the fingernails have a club-like appearance.

Clubbing. (WC)


The causes of clubbing can be remember with mnemonic clubbing:


  • Clubbing should be viewed with suspicion in patient with COPD, as it should not be seen in the context of pure emphysema.[1] Clubbing in COPD is relatively rare; thus, in the context of COPD and smoking it should prompt a search for an occult lung cancer.[2]

See also