19th February 2024

A 54-year-old male presented to the acute medical unit with difficulty speaking and slurred speech over the past 2 hours and was speaking normally before this.

A 54-year-old male presented to the acute medical unit with difficulty speaking and slurred speech over the past 2 hours and was speaking normally before this. He appears to understand instructions normally. He has a left-sided weakness along his upper limbs and a hemisensory loss along his right upper and lower limbs. Visual neglect along the right side was also noted. A CT scan confirms an ischaemic stroke as the cause of his neurological symptoms.

Given the patient’s symptoms, which of the following vessels had likely been occluded?