Medically reviewed by Susan Russell, MD Clubbed fingers describe fingernails or toenails that are curved downward, like a ...

When a patient has hands with swollen-tipped, “clubbed” fingers, and if there is also reddish-brown coloration to the skin at the base of the nails, says Dr. Berry, the man is suffering from ...

With clubbing, the nail beds soften, and the nails almost seem to "float" instead of being firmly attached to the finger. The fingertips also appear large or bulging. "It causes an unusual sort of ...

To perform the test, press your index fingers together and look for a small, diamond-shaped gap of light between them. If this “diamond gap” is missing, it could indicate finger clubbing—a ...