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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 ]
The cause of primary Raynaud’s isn’t known. Secondary Raynaud's is linked to diseases and conditions that directly damage the arteries, the National Heart, Lung and Blood Institute noted.
In people with Raynaud’s phenomenon, cold temperatures or stress trigger spasms in the small blood vessels near the surface of the skin, causing the vessels to constrict and limit blood flow.
Raynaud's phenomenon is frequently the first manifestation of CREST/lcSSc, preceding other symptoms by years. Stress and cold temperature induce an exaggerated vasoconstriction of the small arteries, arterioles, and thermoregulatory vessels of the skin of the digits. Clinically this manifests as a white-blue-red transition in skin color.
Raynaud's phenomenon (also known as Raynaud's disease or syndrome) is an important condition affecting skin temperature of many around the globe. [35] Raynaud's phenomenon is the exaggerated response of cutaneous circulation to exposure to cold ambient temperatures. [36] ‘Raynaud attacks’, which can begin in parts of the body and spread ...
In extreme cases, the affected person may lose fingers. The effects are cumulative. When symptoms first appear, they may disappear after a short time. If exposure to vibration continues over months or years, the symptoms can worsen and become permanent. [4] Exposure to hand arm vibrations is a respectively newer occupational hazard in the work ...
WASHINGTON (Reuters) -The U.S. Commerce Department is moving to further crack down on China Telecom's U.S. unit over concerns it could exploit access to American data through their U.S. cloud and ...
The Kasukawa criteria require a minimum of one of the common symptoms, a positive anti-RNP antibody, as well as one or more symptoms of the mixed symptoms in at least two of the three disease categories to qualify for a diagnosis of MCTD. [69] It has a sensitivity of 75% [70] and a specificity of 99.8%. [32] Common symptoms: [69] Raynaud's ...