You are seeing a 41-year-old female in the acute medical assessment unit who has presented with vertigo and nausea. Upon questioning, this patient informs you that she developed this feeling that the room was spinning when she woke up this morning and has got worse over the course of the day. She also informs you that feeling gets worse when she moves her head but is still there even when her head is still. On examination you note that her hearing is affected. What is the most likely diagnosis?