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case_images: The EEG of patient K. (Case 1). Regional deceleration in central frontal parts, mostly on the left, triphasic waves on leads F4-A2, S4-A2, beta-delta brushes on lead S3-A1; state of consciousness: stunned.
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case_images: The TPWs were observed in the leads F4-A2, C4-A2, and BDP in C3-A1 (Figure 1).
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case_images: The EEG of patient S. (Case 2), made 1 day prior to commencement of generalized tonic-clonic seizures; beta-delta brushes on leads F3-A1, S3-A1, R3-A1, and O1-A1 (arrows); state of consciousness: stunned.
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case_images: On the EEG we observed polyrhythmic SW activity without epileptiform phenomena, and also BDP in leads F3-A1, C3-A1, P3-A1, O1-A1 (Figure 2).
case_images: The EEG of patient S. (Case 2). Normalization of the EEG; inter-paroxysmal period, state of consciousness: lucid.
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case_images: S. was discharged from the department on 11 June 2014 in a satisfactory condition (had put on a makeup herself); EEG: normal variant (Figure 3) and MMSE test: 30 points.
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case_images: Head MRI of Patient Z. (Case 3). An irregular intensification of signal in left temporal lobe in regime FLAIR (white arrows).
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case_images: When the MRI of the head was performed in the FLAIR mode, a lesion in the medial parts of the left temporal lobe was detected (Figure 4).
case_images: The EEG of patient Z, 30 March 2018 (Case 3). Periodic regional decelerations in the left rear frontal (anterior-temporal) lobe (leads Fp1-F7 (arrows)). Consciousness level: altered, eternally observed as passive awakening.
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case_images: The EEG (30 March 2013) demonstrated a periodic regional slowdown in the leads Fp1-F7 (Figure 5).
case_images: EEG of patient Z., 30 March 2018 (Case 3). Regional beta-delta pattern in right rear frontal (anterior-temporal) lobe (leads Fp2-F8 ((arrow)).
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case_images: At the same time, in the contralateral area (leads Fp2-F8), a regional BDP (beta-delta brush) was recorded (Figure 6).
case_images: EEG of patient Z., 6 April 2018 (Case 3). Regression of epileptiform patterns after treatment with valproic acid. State of consciousness: lucid.
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case_images: April 2018, the marked changes regressed (Figure 7). After treatment with GC (methylprednisolone) IV and plasmapheresis, the patient's well-being improved, the symptoms completely regressed, and the attacks did not recur.
case_images: PMC6501490_04