A 72-year-old male presents with a 1-month history of painful wounds to the distal aspect of the right first and second toes. Patient complains of constant, severe, aching pain that is more acute at night and interferes with sleep. Patient has a history of hypertension, coronary artery disease, and a long history of smoking. Physical exam is notable for two round, well-demarcated wounds covered with dry black eschar. Peripheral pulses are faint on the right extremity and 2+ on the left. The right foot is cool with rubor. This wound is most likely a description of a(n):

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The patient's symptoms and history are consistent with an arterial ulcer, characterized by painful, well-demarcated wounds with dry black eschar, often due to poor blood supply from peripheral artery disease, especially in a patient with a history of smoking and cardiovascular issues.

A 72-Year-Old Male Presents with a 1-Month History of Painful