Swollen legs and feet can be caused by malnutrition, venous thrombosis and heart failure.
1. Malnutrition: due to excessive weight loss, dieting or long-term protein intake is insufficient, edema of the lower limbs can occur. This leads to the phenomenon of swollen legs and feet with a pit when pressed.
2. Venous thrombosis: venous thrombosis generally refers to the emergence of embolus in the venous cavity, resulting in venous reflux obstruction, excessive accumulation of local blood will cause edema, so that the swelling of the legs and feet, accompanied by pain and purple skin phenomenon.
3. Heart failure: Heart failure may be caused by cardiac muscle disease or excessive heart load. If the patient suffers from heart failure, it may cause obstruction of venous blood return, resulting in increased venous pressure and blood infiltration, which leads to the phenomenon of swollen legs and feet with a pit when pressed.
Swollen legs and feet may also have other causes, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment.