A 70-year-old male patient with 40 year pack history and dia…

A 70-year-old male patient with 40 year pack history and diabetes mellitus presents to the emergency department complaining of pain in both of his calves that develops when walking, which then goes away approximately 5 minutes after stopping. His pedal pulses are weak in both legs, and his legs distal to the pain is reddened when in the dependent position. The nurse knows that the client is likely experiencing which of the following medical diagnosis/treatment plans listed below.