<prompt> What is true about Meniere;s diseaseSemonts manoeuvre is used for treatmentElectrocochleography is the gold standard for diagnosisSurgery is the mainstay of treatmentV shaped audiogram is seen  <response>: Electrocochleography shows changes diagnostic of Menieres disease. Normally the ratio of summating potential to action potential is 30. In Menieres disease, this ratio is greater than 30. Ref: Diseases of EAR, NOSE and THROAT by PL Dhingra; 7th Edition; page no.113 