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Clinical EEG (electroencephalography)
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Clin Electroencephalogr · Oct 1993
Case ReportsPersistent synchronous periodic discharges caused by anoxic encephalopathy due to cardiopulmonary arrest.
We report a patient with vegetative state induced by anoxic encephalopathy due to cardiopulmonary arrest who showed synchronous periodic discharges for a prolonged period. The patient was a 47-year-old man admitted to our hospital for depression, who suddenly developed cardiopulmonary arrest of unknown etiology, and entered chronic vegetative state as a result of anoxic encephalopathy. ⋯ The periodicity of synchronous periodic discharges was gradually prolonged, with the course again similar to the discharges in CJD. The mechanism of occurrence is considered to be similar to that of synchronous periodic discharges in CJD.