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Peripheral edema is edema (accumulation of fluid causing swelling) in tissues perfused by the peripheral vascular system, usually in the lower limbs. In the most dependent parts of the body (those hanging distally ), it may be called dependent edema.
Peripheral edema ("dependent" edema of legs) is extracellular fluid accumulation in the lower extremities caused by the effects of gravity, and occurs when fluid pools in the lower parts of the body, including the feet, legs, or hands.
Grade 1 (mild edema): Involves the distal parts such as a forearm and hand or a lower leg and foot. The difference in circumference is less than 4 cm (1.6 in) and no other tissue changes are present. Grade 2 (moderate edema): Involves an entire limb or corresponding quadrant of the trunk. Difference in circumference is 4–6 cm (1.6–2.4 in).
Patients present with an acute onset of swelling, pain, erythema, prominent tenderness, warmness and limited range of motion in both ankles. [1] [2] Lower legs and heels may also be involved, however the distal parts of feet and toes are usually spared. Patients may also experience high-graded fever, pitting edema and hypotension.
Since functional venous valves are necessary to facilitate efficient blood return from the lower extremities, CVI primarily affects the legs. When impaired vein function leads to significant symptoms such as oedema (swelling) or venous ulcer formation, the condition is referred to as chronic venous disease. [3]
Fat deposits / swelling widespread in legs/arms/torso: Fat deposits/swelling in one limb including hands and feet: Fat deposits widespread Swelling near ankles; brownish discoloration of lower legs (hemosiderin deposits). Minimal swelling is possible. Male/female: F: F: F/M: F/M: F/M Onset: Around hormonal shifts (puberty, pregnancy, menopause)