RT Book, Section A1 Wolff, Klaus A1 Johnson, Richard Allen A1 Saavedra, Arturo P. A1 Roh, Ellen K. SR Print(0) ID 1140791448 T1 SKIN SIGNS OF VASCULAR INSUFFICIENCY T2 Fitzpatrick's Color Atlas and Synopsis of Clinical Dermatology, 8e YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781259642197 LK accessmedicine.mhmedical.com/content.aspx?aid=1140791448 RD 2024/03/28 AB Atherosclerosis obliterans (ASO) is associated with spectrum of cutaneous findings of slowly progressive ischemic changes, especially when occurring on the lower extremities.Symptoms range from acute ischemia to intermittent claudication with exertional muscle pain and fatigue to limb ischemia with rest pain and tissue damage.Cutaneous findings range from dry skin, hair loss, onychodystrophy, gangrene, and ulceration.Atheroembolism is the phenomenon of dislodgment of atheromatous debris from a proximal affected artery or aneurysm with centrifugal microembolization and resultant acute ischemic and infarctive cutaneous lesions.More common with advanced age and invasive procedures.Manifestations are blue or discolored toes ("blue toe"), livedo reticularis, and gangrene.