Clubbing

Question 1

What are the causes of clubbing?

Answer 1

The mnemonic is C.L.U.B.B.I.N.G, while the L has an extension of A.B.C.D.E.F

• Cyanotic heart disease
• Lung disease
  
  • Abscess
  • Bronchiectasis
  • Cystic Fibrosis
  • Don’t say COPD
  • Empyema
  • Fibrosis
• Ulcerative Colitis + Inflammatory Bowel Disease (Crohn’s Disease)
• Biliary cirrhosis
• Birth Defects
• Infective Endocarditis
• Neoplasm (e.g., Lung cancer or mesothelioma)
• Gastrointestinal malabsorption syndrome (Coeliac disease)