A 60-year-old woman with heart failure presents with abdominal pain. Evaluation reveals a new pelvic mass with widespread metastatic disease. Her hospital course was complicated by renal failure, large bilateral pulmonary emboli, and hemoperitoneum requiring interventional radiology embolization. She subsequently developed severe shock and profound encephalopathy. Continuous EEG was obtained. No clinical signs or movements time-locked to the EEG abnormalities were observed. Which of the following best classifies the EEG pattern?

• Electrographic seizure
• Ictal–interictal continuum (IIC)
• Generalized rhythmic delta activity (GRDA)
• Electroclinical seizure
• Brief potentially ictal rhythmic discharges (BIRDs)

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