Raynaud's phenomenon: (often just called Raynaud's )

Raynaud's phenomenon (often just called Raynaud's ), is a condition where the small blood vessels of the fingers become narrow (constrict). This happens most often when they are in a cool environment. Blood vessels to other extremities such as the toes, ears and nose may also be affected. It is named after Dr Maurice Raynaud , the man who first described it in 1862. Raynaud syndrome, also known as Raynaud's phenomenon , is a medical condition in which the spasm of small arteries causes episodes of reduced blood flow to end arterioles. [1] Typically the fingers, and, less commonly, the toes, are involved. [1] Rarely, the nose, ears, nipples, or lips are affected. [1] The episodes classically result in the affected part turning white and then blue. [2] Often, numbness or pain occurs. [2] As blood flow returns, the area turns red and burns. [2] The episodes ... Raynaud ’ s phenomenon is a condition that affects blood flow to the extremities, causing them to turn pale, blue, and red in response to cold or stress. Learn about the two types of Raynaud ’ s phenomenon , how they are diagnosed and treated, and what factors increase the risk of developing them. Raynaud's phenomenon (RP) is a common vasospastic condition which affects ~5% of the general population. The majority of individuals have primary RP; however, Raynaud's can also occur secondary to a broad range of underlying medical conditions and ...