31st July 2023

A 74-year-old man presents with left lower quadrant pain and fresh red blood mixed into the stool

A 74-year-old man presents with left lower quadrant pain and fresh red blood mixed into the stool. A diagnosis of ischaemic colitis at the splenic flexure is made. The ‘watershed’ area at the splenic flexure is found at the border of the territory supplied by which two arteries?

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