A 54 year old man was brought into the Accident and Emergency Department after having been found unconscious on the floor of his hostel accommodation. He was lying in vomitus and was noted to be incontinent of urine. His GCS was E2V2M4 at the hostel.
His initial observations were: Temp of 38.2 ºC, PR 96/min, BP 160/90 mm Hg and SaO2 92% on 6 lpm O .
The only available history was one of alcohol abuse and epilepsy. He was also known to be a heavy smoker.
1. What are your differential diagnoses for his unconsciousness?