Causes of clubbing

Respiratory

  • Bronchiectasis (including CF)
  • Lung fibrosis
  • Bronchial carcinoma
  • Mesothelioma
  • Lung Abscess
  • Empyema

Cardiovascular

  • Bacterial endocarditis
  • Congenital cyanotic heart disease
  • Atrial myxoma

Gastrointestinal

  • Inflammatory bowel disease
  • Cirrhosis
  • Malabsorption (eg coeliac)

Other

  • Congenital