Splinter hemorrhage: signs, symptoms, and causes

2021-08-28 09:46 PM

Hemorrhagic streaks are seen in 15% of cases of infective endocarditis and, therefore, have low sensitivity. As well as the other classic symptoms of infective endocarditis

Description

These are the small, reddish-brown lines of blood seen under the fingernails. They follow the line of the nail and take the shape of streaks that form from the layer under the nail.

Cause

Infective endocarditis.

Injury.

Skin hardening.

Systemic lupus erythematosus

Mechanism

In infective endocarditis, this symptom is thought to be due to a blood clot that embolizes the capillaries under the nail, causing bleeding.

Significance

Hemorrhagic streaks are seen in 15% of cases of infective endocarditis and, therefore, have low sensitivity. As with other presumed classic symptoms of infective endocarditis, it is of limited value independent of other symptoms and features.

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