blood splinters under fingernails - Health Topics
Endocarditis is inflammation in the heart’s inner lining. One possible symptom is splinter hemorrhages, thin red or reddish-brown lines under the fingernails. These lines appear when small blood ...
May 28, 2026
Endocarditis is inflammation in the heart’s inner lining. One possible symptom is splinter hemorrhages, thin red or reddish-brown lines under the fingernails. These lines appear when small blood ...
Understanding the Context
Although uncommon, blood clots can form in the finger. They may appear as a small, discolored lump under the skin. A collection of blood can also form under the fingernail, commonly due to injury such ... Blood is a liquid connective tissue made up of blood cells and plasma that circulate inside the blood vessels under the pumping action of the heart.