Aalborg University 1 article published in JoVE Medicine Testing of all Six Semicircular Canals with Video Head Impulse Test Systems Dan D. Hougaard1,2, Emil R. Abrahamsen1,2 1Department of Otolaryngology, Head & Neck Surgery and Audiology, Aalborg University Hospital, 2Department of Clinical Medicine, Aalborg University This protocol describes how to correctly perform the video head impulse test with two separate test systems commonly used worldwide. Both the 2D and 3D video head impulse test methods are described.