Raynaud’s phenomenon

A circulatory disorder affecting the fingers and toes that shares the mechanism, symptoms, and signs of Raynaud’s disease but results from a known underlying disorder. Possible causes include arterial diseases, such as atherosclerosis; connective tissue diseases, such as rheumatoid arthritis; and various drugs, such as beta-blocker drugs. The disorder is an occupational disorder of people who use pneumatic drills, chain saws, or vibrating machinery; it is sometimes seen in typists, pianists, and others whose fingers suffer repeated trauma. Treatment is the same as for Raynaud’s disease, along with treatment of the underlying disorder.


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