Clubbing

Etiology

  • Brochiectasis
  • Cystic fibrosis
  • Some cancers
  • Uncommon findings associated w/chronic lung disease/hypoxia
  • Congenital heart disease

Physical Exam Findings

  • Bulbous appears to distal phalanx and nail
  • Flattening of angle between nail plate base and cuticle
  • Loss of diamond shaped window when put fingers together aligned at cuticle

Links