What causes edema in the feet of the elderly?

2

. Nephritis

is related to

autoimmune disorders, family inheritance, upper respiratory tract infection and other factors. Nephritis causes renal function damage

, leading to lower limb edema in elderly patients, manifested as foot edema.

3. Heart failure The disease is

by myocardial ischemia, cardiac overload, ventricular preload and other factors leading to ventricular systolic and diastolic function and cardiac pumping capacity impairment. If right heart failure occurs, the elderly patients are manifested as foot edema.