| Syncope | Seizure |
|---|---|
| Prolonged upright position before the event | Epilepsy aura (smells, tastes or deja vu) before the event |
| Lightheaded before the event | Head turning or abnormal limb positions |
| Sweating before the event | Tonic clonic activity |
| Blurring or clouding of vision before the event | Tongue biting |
| Reduced tone during the episode | Cyanosis |
| Return of consciousness shortly after falling | Lasts more than 5 minutes |
| No prolonged post-ictal period | Prolonged post-ictal period |