1st April 2022

A 79-year-old man is brought to A&E, having become confused following a fall

A 79-year-old man is brought to A&E, having become confused following a fall at home. His wife attends with him and tells you that he has no history of cognitive impairment. She did not witness the fall but found him on the floor where he was conscious but “talking nonsense”. The patient is agitated and refusing to answer any questions. A small graze is noted on his forehead.

Which of the following investigations would NOT be useful at this point?

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