Symptoms of inner ear concussion (also known as “labyrinthine concussion”) may include vertigo, postural imbalance, hearing loss, tinnitus, nausea, vomiting, or some combination after head trauma. In some cases, onset may be delayed for several days. In this clinical summary, Dr. Douglas Lanska, staff neurologist at the VA Medical Center in Tomah, Wisconsin explains the clinical presentation, pathophysiology, and differential diagnosis of inner ear concussion, a common cause of auditory and vestibular symptoms after closed head injury. Full recovery is the rule for posttraumatic dizziness or vertigo, which seldom persists longer than 3 months after minor traumatic brain injury.
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