AKT-1662

AKT-1662

In your afternoon clinic, you come across a 45-year-old male patient complaining of vertigo. He had a recent upper respiratory tract infection and has been experiencing vertigo since then. He also reports a ringing sound in his right ear and decreased hearing. Along with vertigo, he is experiencing nausea and vomiting. On examination, he has fine horizontal nystagmus but no focal neurological signs. Which symptom or sign is unique to labyrinthitis and not vestibular neuronitis?