28th October 2021

A 56-year-old male presents to the emergency department with severe abdominal pain

A 56-year-old male presents to the emergency department with severe abdominal pain, which started recently. He has a past medical history of hypertension, hypercholesterolaemia, atrial fibrillation, and type 2 diabetes mellitus, though is not compliant with his medications for these conditions. A recent procedure to insert a pacemaker was successful. He has no known allergies. Although he smokes around 20 cigarettes a day, he does not drink alcohol. On examination, he is tachycardic, hypertensive and his lower limb pulses are difficult to palpate.  

Which of the following is the most appropriate diagnostic investigation?

Select the SINGLE most appropriate option from the list below. Select ONE option only.