MS-4062
An 80-year-old man arrives at the emergency department with his daughter. They were having a conversation when she noticed he was having difficulty understanding her. He has a history of high blood pressure and has smoked for 40 years.
During your assessment, you observe that he is able to speak fluently but makes some errors. However, his comprehension appears to be intact and he can correctly identify his daughter and name objects in the room. When asked to repeat certain words, he struggles and appears frustrated by his mistakes.
Based on these symptoms, what is the likely diagnosis?