Venous insufficiency is a problem with the flow of blood from the veins of the legs back to the heart. It's also called chronic venous insufficiency or chronic venous stasis. Your veins bring blood ...

There are four main types of skin ulcers: decubitus, venous, arterial, and neuropathic. Each type has a different cause and needs different treatment. A skin ulcer is a sore or wound on your skin ...