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 62-year-old man comes to the physician for a follow-up examination. For the past year, he has had increasing calf cramping in both legs when walking, especially on an incline. He has hypertension. Since the last visit 6 months ago, he has been exercising on a treadmill four times a week; he has been walking until the pain starts and then continues after a short break. He has a history of hypertension controlled with enalapril. He had smoked 2 packs of cigarettes daily for 35 years but quit 5 months ago. His temperature is 37°C (98.6°F), pulse is 84/min, and blood pressure is 132/78 mm Hg. Cardiopulmonary examination shows no abnormalities. The calves and feet are pale. Femoral pulses can be palpated bilaterally; pedal pulses are absent. His ankle-brachial index is 0.6. Which of the following is the most appropriate next step in management?
assistant
Clopidogrel and simvastatin