Splinter hemorrhages
Definition
Splinter hemorrhages are small areas of bleeding (hemorrhage) under the fingernails or toenails.
Splinter hemorrhages appear as narrow, red to reddish-brown lines of blood beneath the nails. They run in the direction of nail growth and are named splinter hemorrhages because they look like a splinter beneath the fingernail.
Splinter hemorrhages. These look like thin vertical lines beneath the nail. They can be caused by nail injury, and certain medications or diseases. Ask your health care provider if you have questions about these.
Splinter hemorrhages
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Nail abnormalities ...
- Splinter hemorrhages, conjunctival hemorrhages, Roth spots, Osler nodes, and Janeway lesions in endocarditis
- Choroidal tubercles in miliary tuberculosis and candidemia
- Splenomegaly in endocarditis, lymphoma, and cirrhosis ...
Black splinter hemorrhages in the middle or distal 1/3 of the fingernail are more likely to be due to trauma than to bacteremia.
A thickened, yellow toenail indicates onychomycosis, a fungal infection.
If you have splinter hemorrhages, see the doctor immediately.
What to Expect at Your Office Visit
The health care provider will look at your nails and ask questions about your symptoms. Questions may include: ...
Nail changes -- splinter hemorrhages are small lines (bleeding that occurs after embolization of vegetations) under nail beds
Tiny red skin spots known as Janeway's spots
Confusion ...
Medical examinations may reveal an enlarged spleen, new heart murmur or changes in an existing heart murmur, splinter hemorrhages beneath the nails, or clubbing (curving) of the fingernails.
Dark, red, linear streaks (splinter hemorrhages) may be present in the nail beds, accompanied by small, raised, and tender blue or red areas in the pads of the fingers or toes (Osler's nodes).
Nail abnormalities (splinter hemorrhages under the nails)
Paleness
Red, painless skin spots on the palms and soles (Janeway lesions)
Red, painful nodes in the pads of the fingers and toes (Osler's nodes)
Shortness of breath with activity ...
Tiny black lines in your nail in tip-to-cuticle direction: Your doctor may call this a splinter hemorrhage or dilated tortuous capillaries in the dermal papillae.
APLAs have been associated with a number of cutaneous disorders including livido reticularis, livido vasculitis, cutaneous necrosis, infarctions and ulceration, subungual splinter hemorrhages, and vasculitis (palpable purpura).
 See also: Splinter hemorrhages, Surgery, Bacterial, Symptom, Infections
  
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