4th November 2020

A 73-year-old woman is brought to A&E by her daughter

A 73-year-old woman is brought to A&E by her daughter. She has been complaining of a worsening headache over the past week, and her daughter explains that she has seemed more tired recently, and does not seem as ‘sharp’ as she normally is. A detailed history revealed that she had a fall around 4 weeks ago, and hit her head on a pavement curb, but did not seek any medical advice as she “felt fine”. Her past medical history includes hypertension, diet-controlled type 2 diabetes mellitus, and early-stage breast cancer (15 years ago).

What should be the first-line imaging investigation, and what is the rationale for this?

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