Snapshot A 20-year-old woman presents to her primary care physician’s office for discolored fingers when in the cold. She reports that this is not painful, but the sight of her blue fingers bothers her. She reports that it becomes white first, blue, and finally red when she rewarms her hands. Although she has tried wearing gloves, she still reports having this discoloration. She has no significant past medical history. Her physician prescribes her nifedipine. Introduction Clinical definition login to view 6 more bullets Epidemiology login to view 12 more bullets Etiology login to view 4 more bullets Pathogenesis login to view 6 more bullets Associated conditions login to view 5 more bullets Presentation Symptoms login to view 3 more bullets Physical exam login to view 6 more bullets Studies Labs login to view 1 more bullet Making the diagnosis login to view 3 more bullets Differential Thromboangiitis obliterans (Buerger disease) login to view 2 more bullets Frostebite login to view 3 more bullets Treatment Conservative login to view 8 more bullets Medical login to view 11 more bullets Complications Digital ulceration login to view 1 more bullet