What causes swollen feet in the elderly

Edema in the feet is common in the elderly, but it can be caused by poor blood flow due to aging, problems with the blood vessels in the lower extremities, or problems with the heart or kidneys.
Elderly people who stand for a long time are prone to edema of the feet, this is because with age, blood vessel sclerosis, or lower extremity vascular reflux obstacles exist, after standing for a long time in the afternoon and at night the feet will appear edema phenomenon. If the lower extremity circulation disorder caused by edema can be unilateral limb or bilateral limb.
Older people with malnutrition or chronic kidney disease, such as renal failure or nephrotic syndrome, can also cause edema of the feet.
The presence of cardiac insufficiency in the elderly leads to a decrease in the volume of returned blood, increased venous pressure in the extremities, sodium and water retention can also cause edema in both lower extremities.
If the elderly for a long time the feet edema, need to go to the hospital for further cardiac ultrasound, urine routine, lower extremity vascular ultrasound examination, clear diagnosis and further treatment.