A 75-year-old patient complains of pain and paresthesias in the right foot that worsens with exercise and is relieved by rest
On physical examination you note pallor of the right foot, capillary refill of 4 seconds in the right foot, +1 dorsalis pedis pulse in the right foot, and +2 pulse in left foot. Which of the following is a likely cause of the signs and symptoms?
A. Arterial insufficiency
B. Femoral vein thrombus
C. Venous insufficiency
D. Peripheral neuropathy
ANS: A
Intermittent claudication is pain in the leg or foot that becomes worse with exercise and is relieved by rest. The classic signs of peripheral arterial disease include pain, pallor, weak pulse, paresthesias, and palpable coolness. The signs of venous thrombosis are erythema, ropiness, as well as warmth and tenderness along the course of the vein. Edema of the leg and Homan's sign of the foot are also common.
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