During a Raynaud attack, the fingers (or toes) become suddenly pale or white (panel A) as the blood vessels constrict. They might then turn a purple or blue color (panel B), which means there is less blood than normal flowing to the fingers. The thumb is often not affected.
Courtesy of Fredrick M Wigley, MD.
Graphic 117079 Version 1.0
آیا می خواهید مدیلیب را به صفحه اصلی خود اضافه کنید؟