Fingers that change color
Definition
Fingers that change color when they are exposed to cold temperatures or stress are a sign of cyanosis. Cyanosis is a bluish discoloration of the skin and mucous membranes from lack of oxygen.
Alternative Names
Blanching of the fingers; Fingers - paleConsiderations
Raynaud's phenomenon may cause sudden change in the finger color.
Causes
- Arterial insufficiency or spasms of arteries that supply blood to the fingers and toes
- Buerger's disease
- Necrotizing vasculitis
- Scleroderma
- Systemic lupus erythematosus
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