This course has two components. The first will present a simple and efficient method of triage for categorization of dizzy patients into clinically relevant groups for further work-up. The second will familiarize participants with a system to diagnose the most common otologic and non-otologic causes of vertigo. Learning Objectives:1: Classify dizzy patients into the four flavors of dizziness. 2: Characterize the temporal pattern (trajectory) of their dizziness. 3: Quickly and accurately diagnose the most common otologic and non-otologic causes of dizziness. Faculty:Steven D. Rauch, (Auris ( Consulting fees or honoraria (independent contractor/speakers bureau/advisory committees/review panels)) (Consultant/Advisory Board); Eleven Biotherapeutics (Salary/royalty or other payments for services (employment/board of directors/expert witness etc)) (Employment, Ownership Interest includes stock, stock options, patent or other intellectual property); Otonomy ( Consulting fees or honoraria (independent contractor/speakers bureau/advisory committees/review panels)) (Consultant/Advisory Board); Seres Therapeutics (Salary/royalty or other payments for services (employment/board of directors/expert witness etc)) (Employment, Ownership Interest includes stock, stock options, patent or other intellectual property))