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Leg Swelling: Symptom of Pitting Edema. Leg swelling generally occurs because of an abnormal accumulation of fluid in the tissues of the lower extremity. Persisting indentation of a swollen leg after pressure from a finger is known as pitting edema. Common causes of leg swelling include. salt retention, cellulitis, congestive heart failure, and.
It is usually painless, but severe edema can be quite uncomfortable. It can occur in one or both legs, where the fluid tends to accumulate due to the effects of gravity. Elderly adults who are overweight are particularly vulnerable to developing pedal edema. Causes. Pedal edema can be caused by numerous conditions, some of which include: 1  Congestive Heart Failure (CHF) 2  Obesity. 3  Deep Vein Thrombosis. 4  Advanced age. 5  Infection in the legs or hips. 6  Vascular problems that hinder venous return to the heart. 7  Pelvic or lower body surgery. 8  Lymphatic insufficiency.