28th August 2020

A 40-year-old male presents to the emergency department with sudden onset vomiting

A 40-year-old male presents to the emergency department with sudden onset vomiting. Past medical history includes Graves’ disease, which he normally manages well through medical therapy. His observations on admission are: RR 30, HR 150, BP 160/80, Temp 40.3, Confused. 

Select the SINGLE most likely diagnosis from the list below. Select ONE option only.