What characterizes an Arterial Ulcer?

An arterial ulcer is specifically characterized by insufficient arterial perfusion to an extremity, often occurring in locations like the ankle, heel, or toe. This lack of blood flow is a result of peripheral artery disease (PAD) or other circulatory issues, which can lead to tissue ischemia. Due to the reduced supply of oxygen and nutrients, areas of the skin become more susceptible to breakdown, resulting in ulcers.

The focus on specific locations, such as the ankle, heel, or toe, is essential because arterial ulcers typically manifest in areas where blood flow is naturally lower. The skin in these regions may become discolored, cool to the touch, or hairless, contrasting with other types of ulcers that may not have such specific indicators or locations.

Understanding that arterial ulcers arise from a deficiency in arterial blood flow helps in differentiating them from venous ulcers, which are associated with venous hypertension and exhibit different symptoms and healing characteristics. This distinction is crucial for appropriate treatment and management strategies.