NCIt definition : An abnormal enlargement of the terminal phalanges accompanied by increased length-wise
curvature of the nails, giving the digits a club-like appearance. Clubbing has been
noted with a wide variety of conditions, including pulmonary and cardiac diseases,
liver disorders, and disorders of the gastrointestinal tract.;
Alternative definition : ACC/AHA: A clinical finding in which the distal phalanx of each finger appears rounded
and bulbous, the nail plate is more convex, and the angle between the plate and the
proximal nail fold appears increased to Greater than or equal to 180 degrees on visual
inspection.;