Abrupt onset, may be unprovoked
Brief duration (typically <2min)
AMS
Jerking of limbs
Postictal drowsiness/confusion (typically lasting <30 minutes)
Todd paralysis
Temporary focal deficit up to 36 hr post-seizure
Lateral tongue biting - 100% specificity
Incontinence
Temporary focal deficit up to 36 hr post-seizure
Factors that strongly favor<unk>  from most specific to least:
Waking with cut tongue
Abnormal behavior noted by bystanders
LOC with emotional stress
Postictal confusion
Head turning to one side during LOC
Prodromal deja vu or jamais vu
Factors that predict against<unk> 
Presyncopal spells
Prodromal vertigo
LOC with prolonged standing, sitting
Diaphoresis, vertigo, nausea, chest pain, feeling of warmth, palpitations, dyspnea before spell
Waking with cut tongue
Abnormal behavior noted by bystanders
LOC with emotional stress
Postictal confusion
Head turning to one side during LOC
Prodromal deja vu or jamais vu
Presyncopal spells
Prodromal vertigo
LOC with prolonged standing, sitting
Diaphoresis, vertigo, nausea, chest pain, feeling of warmth, palpitations, dyspnea before spell
Seizure
Epileptic seizure
Febrile seizure
First-time seizure
Status epilepticus
Seizure with known seizure disorder
Syncope
Syncope 