system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A 47-year-old man presents to the emergency room with symptoms of dizziness and difficulty walking. He describes his dizziness as a spinning sensation of the room with associated nausea and vomiting. Which of the following findings suggests the vertigo is peripheral in origin?
assistant
The correct answer is  Tinnitus and deafness may be found in peripheral vertigo, but not central. The nystagmus is usually unidirectional and is never vertical. Visual fixation inhibits vertigo and nystagmus during testing in peripheral vertigo.