7th June 2023

A 65-year-old man is seen in TIA clinic a day after having sudden onset of right-sided weakness lasting for fifteen minutes

A 65-year-old man is seen in TIA clinic a day after having sudden onset of right-sided weakness lasting for fifteen minutes before resolving completely. Prior to this he had no similar episodes. His past medical history is significant for hypertension and raised cholesterol. His ECG in clinic is in sinus rhythm. He goes on to have a carotid doppler which shows a 30% stenosis of the left carotid artery and 90% stenosis of the right.

What is the correct next step in management of this patient?