Table 1 Differential diagnosis of paroxysmal neurological disorders in adults
Epilepsy
Syncope
    Cardiac
    Non-cardiac
Psychogenic attack
    Psychogenic non-epileptic seizure
    Depersonalisation/derealisation
    Panic attack
    Hyperventilation attack
    Flashback
Transient ischaemic attack
Migraine
Transient global amnesia
Narcolepsy/cataplexy
Parasomnia
Paroxysmal dystonia
Tic
Hyperekplexia
Paroxysmal vertigo
Hypoglycaemia