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DictionarySeeRaynaud's phenomenonRaynaud phenomenon
Ray·naud phe·nom·e·non (rā-nō'), spasm of the digital arteries, with blanching and numbness or pain of the fingers, often precipitated by cold. Fingers become variably red, white, and blue.Raynaud phenomenon Raynaud's disease Cardiovascular disease A condition characterized by vasospasm of small vessels of the fingers and toes, resulting in skin discoloration Etiology Extreme temperatures–especially cold or hot or emotional events; initially, digits involved turn white because of ↓ blood supply, then blue because of prolonged hypoxia, then red, when the blood vessels reopen, causing a local flushingRay·naud phe·nom·e·non (rā-nō' fĕ-nom'ĕ-non) Spasm of the digital arteries, with blanching and numbness or pain of the fingers, often precipitated by cold. Fingers become variably red, white, and blue.
See also: Raynaud syndrome RAYNAUD PHENOMENONRaynaud phenomenonIntermittent attacks of pallor or cyanosis of the small arteries and arterioles of the fingers as the result of inadequate arterial blood flow. This condition is associated with scleroderma, systemic lupus erythematosus, Buerger disease, nerve entrapment, and anorexia-bulimia. The signs, symptoms, and treatment are identical to those of Raynaud disease. illustration; See also: Raynaud, MauriceRaynaud, Maurice, French physician, 1834-1881. Raynaud disease - Synonym(s): Raynaud syndromeRaynaud gangrene - Synonym(s): Raynaud syndromeRaynaud phenomenon - spasm of the digital arteries, with blanching and numbness or pain of the fingers, often precipitated by cold.Raynaud sign - Synonym(s): acrocyanosisRaynaud syndrome - idiopathic paroxysmal bilateral cyanosis of the digits. Synonym(s): Raynaud disease; Raynaud gangrene; symmetric asphyxiaRay·naud phe·nom·e·non (rā-nō' fĕ-nom'ĕ-non) Spasm of the digital arteries, with blanching and numbness or pain of the fingers, often precipitated by cold. Fingers are variably colored red, white, and blue. |