Which clinical manifestation is indicative of an arterial ulcer in a client with peripheral arterial disease?

An arterial ulcer is commonly associated with peripheral arterial disease (PAD), and one of the hallmark clinical manifestations of these ulcers is the presence of pain in the affected area. This pain typically arises due to inadequate blood supply to the tissues because of narrowed arteries. When the blood flow is insufficient, any injury or ulceration can lead to significant discomfort, particularly during activities that increase oxygen demand, such as walking.

In contrast, the other manifestations mentioned do not align with the characteristics of arterial ulcers. Wound edges that are jagged or irregular are more often associated with venous ulcers, while edema is also generally characteristic of venous issues rather than arterial problems. In arterial ulcers, the tissue surrounding the wound tends to be pale or diminished in temperature due to poor blood circulation, which further differentiates them from other types of ulcers. Therefore, the presence of pain as a clinical manifestation is a clear indicator of an arterial ulcer and underscores the critical relationship between blood flow and tissue health in PAD.