AKT question relating to intermittent claudication

摘要

Single Best Answer:　A 64-year-old lady comes to see you with right-sided calf muscle pain on walking up hills. She is not getting rest pain. She has a past medical history of rheumatoid arthritis and obesity. She is on methotrexate. On examination, it is difficult to assess the pulses in her legs. Her blood pressure is 142/85. Which of the following would be most appropriate initial investigation to aid diagnosis from primary care? Select ONE option only.