Table 2.
EEG features in Patients with COVID-19.
| EEG findings | N = 50 | N | % |
|---|---|---|---|
| Background | Alpha (8–12 Hz) | 27 | 54 |
| Theta (4–8 Hz) | 21 | 42 | |
| Delta (1–4 Hz) | 2 | 4 | |
| Generalized | Triphasic waves | 9 | 18 |
| findings | Generalized | 3 | 6 |
| periodic discharges | |||
| Generalized rhythmic | 5 | 10 | |
| delta activity | |||
| Focal findings | Focal slowing | 14 | 28 |
| - Lesion | 5 | 36 | |
| - No lesion | 9 | 64 | |
| Focal interictal epileptiform activity | 5 | 10 | |
| - Lesion: | 2 | 40 | |
| LPDs | 1 | 50 | |
| Spikes | 1 | 50 | |
| - No lesion: | 3 | 60 | |
| LRDA | 2 | 67 | |
| Sharp wave | 2 | 67 | |
| Seizures | Focal: | 2 | 4 |
| - Lesion | 1 | 50 | |
| - No lesion | 1 | 50 | |
| Generalized | 0 | ||
| Status epilepticus | 0 |
LPDs Lateralized Periodic Discharges. LRDA Lateralized Rhythmic Delta Activity.