29th July 2023

A 34 year old with a background of IVDU is admitted with a groin abscess and DVT in his left thigh.

A 34 year old with a background of IVDU is admitted with a groin abscess and DVT in his left thigh. He was initially treated with IV flucloxacillin. Over the next 2 days, he develops double vision, slurred speech and dysphagia.

What is the most likely causative organism?

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