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Raynaud's disease

Raynaud's disease is a kind of disease characterized by acral ischemia caused by paroxysmal contraction of acral arterioles after cold or emotional tension, also known as acral vasospasm. During the attack, the acral skin changes from pale to cyan, and then turns to flushing. Because Maurice Raynaud first described Gu's name in 1862. Raynaud's disease is called when there is no other related disease and the etiology (primary) is clear; Associated with certain diseases (secondary) is called Reynolds phenomenon. Female patients with Raynaud's disease are more common, the ratio of male to female is 1:10, and the onset age is mostly 20 ~ 30 years old.

Symptoms

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