Vasospasm in Raynaud's phenomenon. Close-up of the hand of a 74-year-old female patient showing white areas caused by vasospasm due to Raynaud's pheno

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Vasospasm in Raynaud's phenomenon. Close-up of the hand of a 74-year-old female patient showing white areas caused by vasospasm due to Raynaud's phenomenon. Vasospasm is where a blood vessel's spasm leads to vasoconstriction, cutting off the blood supply. Raynaud's phenomenon is excessively reduced blood flow in response to cold or emotional stress, causing discoloration of the fingers, toes, and occasionally other areas.

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Size: 3543px × 5139px
Photo credit: © DR P. MARAZZI/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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