Swollen feet and legs, referred to medically as edema, occur when fluid is retained in the spaces between body cells. Edema typically affects the feet, ankles and lower legs, but can also impact any area of the body, causing systemic symptoms. Causes:
Ankleâbrachial pressure index - Interpretation of results. 1  In a normal subject the pressure at the ankle is slightly higher than at the elbow (there is reflection of the pulse pressure from the vascular bed of the feet, whereas at the elbow the artery continues on some distance to the wrist).
If you have an exercise ankle-brachial index test, the ranges for results differ. Talk to your doctor about what your results mean. Depending on the severity of your blockage, your doctor may recommend lifestyle changes, medications or surgery to treat PAD. Talk to your doctor about your options.