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Assessing Vestibular Dysfunction After Concussion

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1.  What is the most common vestibular disorder after a concussion? Hypofunction Benign Paroxysmal Positional Vertigo (BPPV) Decreased visual acuity Perilymph Fistula

2.  Which is true of the semicircular canals? Provides sensory input about head velocity Senses linear acceleration and head tilt Contains the macula Has 2 otolithic organs

3.  The “gold standard” for testing vestibular function is: Caloric testing Rotary chair cVEMP HINTS

4.  Which of the following describes the vestibulo-ocular reflex (VOR)? Provide information about head position Excite the extensor muscles to stabilize the body Reduce symptoms through repetitive motion Hold images stable on the retina during head rotations

5.  What test for BPPV can be performed if a patient has cervical limitations? Epley Maneuver Deep Head Hanging Sidelying Test Gans Maneuver