15th February 2025

A 29-year-old woman is brought to the Emergency Department.

A 29-year-old woman is brought to the Emergency Department. She is behaving strangely, repeatedly asking staff and other patients why they are in her home. On examination, she is sweating profusely despite a comfortable environmental temperature, has dilated pupils and the following observations:

HR 120, BP 165/104, RR 18, Sats 96% (room air), Temperature 39.5℃

She has no previous medical history.

What is the most likely cause?

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