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“Cold hands from benign causes are usually of a short duration, and easily reversible when the triggering condition such as stress or exposure to low temperature abates,” Ogunwale explains.
[3] [4] Exposure to cold temperatures worsens the cyanosis, while it often improves on warming. [2] Aside from the color changes, patients normally are asymptomatic and therefore there is usually no associated pain. The most common sign, discoloration, usually is what prompts patients to seek medical care. [3] [4]
The condition can cause localized pain, discoloration (paleness), and sensations of cold and/or numbness. When exposed to cold temperatures, the blood supply to the fingers or toes, and in some cases the nose or earlobes, is markedly reduced; the skin turns pale or white (called pallor) and becomes cold and numb.
Any type of cold can be a trigger, including reaching into the freezer, holding a chilled drink or relaxing in an air conditioned room. Rare disorder can turn fingers and toes white or blue when ...
Fingers change colour (blood vessels affected): With continued exposure the person may experience periodic attacks in which the fingers change colour when exposed to the cold. Initially the fingers rapidly become pale and feeling is lost. This phase is followed by an intense red flush (sometimes preceded by a dusky bluish phase) signalling the ...
When your hands are cold, the vessels that supply blood to your hands and fingers constrict. “If you're in cold, frigid temperatures,” or if you find yourself handling cold items, such as ...
Tissue loss and autoamputation are potential consequences of frostbite. Permanent nerve damage including loss of feeling can occur. It can take several weeks to know what parts of the tissue will survive. [11] Time of exposure to cold is more predictive of lasting injury than temperature the individual was exposed to.
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