Fenómeno de Raynaud. Revisión

摘要: Raynaud's phenomenon is an exaggerated vascular response to cold or stress manifested by skin colour changes at several locations, having three characteristic phases: pallor (white), cyanosis (blue) and rubor (red). When the cause not known this termed primary  Raynaud's secondary when underlying disease involved, autoimmune being most frequent of form. Primary has a good prognosis can be treated medically without need for specialist assessment, unlike which needs assessment treatment. A general practitioner know classification, basis treatment signs symptoms control patient requires evaluation according other diseases may present coexist.