7th June 2023

A 70-year-old man presents with a ten-month history of falls, increased forgetfulness, and urinary incontinence

A 70-year-old man presents with a ten-month history of falls, increased forgetfulness, and urinary incontinence. On examination, he scores 23/30 on his mini mental state examination and is noted to have a wide-based gait with short, shuffling steps. His CT brain is reported as showing enlarged lateral and third ventricles.

Which of the following options would be the correct treatment for his condition?