Table 8. Amended 2015 Criteria for Diagnosis of MD by the European Academy of Otology and Neurotology.

Definite	Two or more spontaneous episodes of vertigo, each lasting 20 min to 12h
	Audiometrically documented low to midfrequency sensorineural hearing loss in one ear, defining the ear on one occasion before, during or after one episode of vertigo
	Fluctuating aural symptoms (hearing, tinnitus, or fullness) in the affected ear
	Not better accounted for by another vestibular diagnosis
Probable	Two or more episodes of vertigo or dizziness, each lasting 20 min to 24 h
	Fluctuating aural symptoms (hearing, tinnitus, or fullness) in the affected ear
	Not better accounted for by another vestibular diagnosis