Distinguishing myoclonic jerks during syncope from seizures
| Syncope | Seizure |
|---|---|
| LOC, loss of consciousness. | |
| Begin after falling | Begin while standing |
| Typically pale | May be cyanotic |
| LOC usually <1–2 minutes | LOC often >5 minutes |
| Incontinence less common | Incontinence more common |
| No tongue biting | Tongue biting occurs in about 25% |
| Post-syncopal confusion typically mild or absent, but prolonged fatigue is common | Post-ictal confusion universal and often prolonged |
| Difficult to stand before complete recovery | Can often stand early in recovery |