Disorders of Vestibular Function: Classification
International Classification of Vestibular Diseases (ICVD) [1; adapted from 2]. Level 1Symptoms and clinical signs Vertigo diffuse unsteadiness oscillopsia vertigo nystagmus OTR VOR failure ……. Level 2Syndromes Acute vestibular syndrome episodic vestibular syndrome chronic vestibular syndrome Level 3Diseases Disorders primarily classified as vestibular disease Vestibular symptoms of disorders classified elsewhere Level 4Disease mechanisms genetic……. inflammatory……. … Disorders of Vestibular Function: Classification