The most common cause of chronic lower extremity arterial insufficiency is atherosclerotic occlusive disease. Several other disease processes may mimic lower extremity arterial insufficiency, such as osteoarthritis, neurospinal compression, and diabetic neuropathy. The clinical picture may be further clouded by the coexistence of several of these diseases. Chronic lower extremity ischemia is best described as being either “functional” or “critical.” A careful and thorough history will almost always provide key information to help differentiate either functional or critical arterial insufficiency from other causes of leg symptoms.
KeywordsLimb Ischemia Critical Limb Ischemia Intermittent Claudication Rest Pain Posterior Tibial Artery
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