RAYNAUD

Raynaud phenomenon (RP) is a syndrome of paroxysmal digital ischemia, mostly caused by exaggerated response of digital arterioles to cold or emotional stress. Initially Raynaud phenomenon mediated by excessive vasoconstriction, mainly consists of well demarcated digital pallor or cyanosis. The recovery of Raynaud phenomenon may be done by vasodilation which leads to intense hyperemia and […]