Disorders of the Vestibular System

The chapter begins with a discussion of the anatomy and physiology of normal balance. The signs, symptoms, and pathophysiology of dizziness, vertigo, and presyncope are then discussed. The chapter ends with a full discussion of benign paroxysmal positional vertigo, vestibular neuritis, and Meniere’s disease or endolymphatic hydrops with attention paid to their pathophysiology, major clinical features, major laboratory findings, and principles of management and prognosis.