A 34-year-old man presents with the chief complaint of recurrent "spells". The episodes began approximately 2 years ago after he had been involved in an automobile accident and suffered a closed head injury. The spells were characterized by a sensation of "zoning out" that was preceded by a fearful sense of panic. They occurred at least twice a week and lasted between 50 and 90 s. After the event, he felt tired and had difficulty focusing on his work or during his daily activities. He worked as a District Attorney and had court duties and appearances that were required on a nearly daily basis.
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