Blue nails may indicate that the blood is not carrying enough oxygen to the fingertips. There are many possible causes, including heart and lung diseases. Anyone with blue nails should seek medical ...

Because of the pulmonary findings in association with prominent signs of Raynaud’s disease, Ms. O was referred to me for rheumatologic consultation. When I saw her, vital signs were normal and soft ...

Achenbach syndrome is a rare, benign condition that involves swollen and bruised-looking (or “blue”) fingers and toes. It is not connected to other health conditions but may mimic their symptoms.