If you're in the middle of the middle, however â not lower or upper-middle class â that would be an income range between $39,764 and $64,582, says Aaron Pacitti, an assistant professor of economics at Siena College in Loudonville, N.Y. Again, it isn't official.
Edema definition and facts. Edema is a swelling, usually of the legs, feet, and/or hands due to the accumulation of excessive fluid in the tissues. The edema that occurs in diseases of the heart, liver, and kidneys is mainly caused by salt retention, which holds the excess fluid in the body.
What causes swelling in the ankles, legs and feet for people with COPD? People with chronic obstructive pulmonary disease (COPD) may have swelling in their ankles, legs and feet. This kind of swelling is not caused directly by the COPD patientâs chronic bronchitis or emphysema. Instead, complications of COPD called âpulmonary hypertensionâ and âcor pulmonaleâ often cause the swelling.