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Fingers that change color

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Fingers that change color

Definition:

If fingers that are exposed to cold or stress turn pale or change colors, it is 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 (blanching means to become pale)

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Considerations:

Raynaud's phenomenon may cause sudden change in the finger color.

Common Causes:

• Arterial insufficiency or spasms of arteries that supply blood to the fingers and toes
• Systemic lupus erythematosus
• Necrotizing vasculitis
• Scleroderma

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