6th February 2024

A 45-year-old woman was brought to the Emergency Department by the local police after being found unresponsive in the town centre.

A 45-year-old woman was brought to the Emergency Department by the local police after being found unresponsive in the town centre. The patient appears unkempt and has a strong smell of alcohol over her. She is not orientated in name, time or place. On examination, reduced peripheral sensation, broad-based gait and vertical backwards beating of eyes. 

What is the most likely diagnosis?