system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 55-year-old man presents to his primary care physician for leg pain. The patient works as a mailman but states he has had difficulty completing his deliveries for the past month. He complains of a burning and tingling pain in his legs when he walks that goes away when he sits down and takes a break. The patient has a past medical history of obesity, diabetes, stable angina, and constipation. His current medications include insulin and metformin. The patient has a 22-pack-year smoking history and he drinks 2-3 alcoholic beverages per day. Physical exam reveals a stout man with a ruddy complexion. His gait is stable and he demonstrates 5/5 strength in his upper and lower extremities. Which of the following is the best next step in management?
assistant
Ankle-brachial index