This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: ENT
If a patient gets an attack of veigo/dizziness by loud noise, he is having ? 
Select and explain. 
A. Tullio phenomenon, B. Dysplacusis, C. Hyperacusis, D. Paracusis
A: Tullio phenomenon
Answer: A: Tullio phenomenon 
Explanation: Ans. is 'a' i.e., Tullio phenomenon Hyperacusis refers to sensation of discomfo or pain on exposure to normal sounds. It is seen in injury to nerve to stapedius and in case of congenital syphilis (Hennebe sign). Displacusis is a condition where same tone is heard as notes of different pitch in either ear. Paracusis willisii is a condition where patient hears a sound better in presence of background noise. It is seen in otosclerosis. Tullio phenomenon is a condition where the subject gets attack of veigo/dizziness by loud sounds.lt is seen in labyrinthine fistula and after fenestration surgery.