28th October 2021

A 55-year-old male collapses in the emergency department and is unresponsive.

A 55-year-old male collapses in the emergency department and is unresponsive. The presentation clerking documents that he had severe abdominal pain and is being monitored for an abdominal aortic aneurysm. He has a past medical history of hypercholesterolaemia and smokes 30 cigarettes a day.  

Which of the following is the most likely underlying diagnosis?

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