Transtympanic Electrocochleography for the Diagnosis of Ménière's Disease

Table 1

The 1995 AAO-HNS criteria for the diagnosis of Ménière’s disease (adapted from [4, page 182]).

Category	Criteria
“Possible”	(i) Episodic vertigo of the Ménière type (i.e., spontaneous rotation vertigo lasting for 20 minutes or greater, often accompanied by disequilibrium which may last for days as well as nausea and rotatory nystagmus)
	(ii) Without documented hearing loss or with sensorineural hearing loss, fluctuating or fixed, with disequilibrium but without definitive episodes
	(iii) Other causes of vertigo excluded
“Probable”	(i) One definitive episode of vertigo
	(ii) Audiometrically documented hearing loss on at least one occasion
	(iii) Tinnitus or aural fullness in the treated ear
	(iv) Other causes excluded
“Definite”	(i) Two or more definitive spontaneous episodes of vertigo lasting for 20 minutes or longer
	(ii) Audiometrically documented hearing loss on at least one occasion
	(iii) Tinnitus or aural fullness in the treated ear
	(iv) Other causes of vertigo excluded
“Certain”	Definite Ménière’s disease, plus postmortem histopathologic confirmation