Psychogeriatrics : the official journal of the Japanese Psychogeriatric Society
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Electroconvulsive therapy is safe and effective in the treatment of depression in older individuals. Minor cognitive side effects of electroconvulsive therapy include acute postictal confusion and reversible short-term memory deficits. ⋯ Herein, we report the case a depressed male patient without any known risk factors who developed interictal delirium 2 days after his sixth electroconvulsive therapy session. Interictal delirium improved with treatment within 1 week.