7th June 2023

A 70-year-old man with a past medical history of hypertension and asthma is seen in A&E after having woken up with right-sided weakness

A 70-year-old man with a past medical history of hypertension and asthma is seen in A&E after having woken up with right-sided weakness affecting his face, arm, and leg. He also has reduced sensation affecting the right half of his body. His speech and language are normal, and his visual fields are intact. There is no inattention. He has an urgent CT brain which does not show any haemorrhage.

Which of the following options is the most likely diagnosis?