About the data: We used the family income data from the 2013 American Community Survey. This counts only families, which the government defines as households with two or more people related by birth, marriage or adoption. The graph focuses on families living in the country's 30 most populous cities.
Diseases and conditions that may cause edema include: 1  Congestive heart failure. 2  Cirrhosis. 3  Kidney disease.  Kidney 1  damage. Weakness or damage to veins in your legs.  Inadequate lymphatic 1  system. Symptoms.  Risk factors.
Cause of Ankle Edema / Ankle Swelling in One Leg. Conditions that result in leg edema only on one side are: âº Conditions that obstruct the flow of lymph: Like blood, lymph is a fluid that is carried by vessels called lymphatic vessels, which ultimately joins the blood. Obstruction of flow of lymph from the leg can result in a backlog, thereby resulting in edema.