17th August 2023

A 68-year-old male presents to A&E with a one-hour history of sudden onset weakness in his right arm and difficulty speaking

A 68-year-old male presents to A&E with a one-hour history of sudden onset weakness in his right arm and difficulty speaking. His symptoms resolved completely within 45 minutes. His medical history is significant for hypertension and type 2 diabetes mellitus. On examination, there are no focal neurological deficits.

What is the most likely diagnosis?