Eclampsia
Vascular
Hypertensive<unk> 
CVA
Intracranial Hemorrhage
Cerebral Venous Thrombosis
Infectious
Encephalitis
Meningitis
Metabolic
Hepatic<unk> 
Hyponatremia
Porphyria
Demyelinating Disorders (e.g. MS)
SLE
Psychiatric disorder
Hypertensive<unk> 
CVA
Intracranial Hemorrhage
Cerebral Venous Thrombosis
Encephalitis
Meningitis
Hepatic<unk> 
Hyponatremia
Porphyria
SLE
Epileptic seizure
First-time seizure
Seizure with known seizure disorder
Status epilepticus
Temporal lobe epilepsy
Non-compliance with anti-epileptic medications
Hyponatremia
INH toxicity
Non-epileptic seizure
Meningitis
Encephalitis
Brain abscess
Intracranial hemorrhage
Alcohol withdrawal
Benzodiazepine withdrawal
Barbiturate withdrawal
Baclofen withdrawal
Metabolic abnormalities: hyponatremia, hypernatremia, hypocalcemia, hypomagnesemia, hypoglycemia, hyperglycemia, hepatic failure, uremia
Eclampsia
Neurocysticercosis<unk> 
Impact seizure (head trauma)
Acute hydrocephalus
Arteriovenous malformation
Seizure with VP shunt
Toxic ingestion (amphetamines, anticholinergics, cocaine, INH, organophosphates, TCA, salicylates, lithium, phenothiazines, bupropion, camphor, clozapine, cyclosporine, fluoroquinolones, imipenem, lead, lidocaine, metronidazole, synthetic cannabinoids, theophylline, Starfruit)
Psychogenic nonepileptic seizure (pseudoseizure)
Intracranial mass
Syncope
Hyperventilation<unk> 
Migraine headache
Movement disorders
Narcolepsy/cataplexy
Post-hypoxic myoclonus (Status myoclonicus)
First-time seizure
Seizure with known seizure disorder
Status epilepticus
Temporal lobe epilepsy
Non-compliance with anti-epileptic medications
Hyponatremia
INH toxicity
Meningitis
Encephalitis
Brain abscess
Intracranial hemorrhage
Alcohol withdrawal
Benzodiazepine withdrawal
Barbiturate withdrawal
Baclofen withdrawal
Metabolic abnormalities: hyponatremia, hypernatremia, hypocalcemia, hypomagnesemia, hypoglycemia, hyperglycemia, hepatic failure, uremia
Eclampsia
Neurocysticercosis<unk> 
Impact seizure (head trauma)
Acute hydrocephalus
Arteriovenous malformation
Seizure with VP shunt
Toxic ingestion (amphetamines, anticholinergics, cocaine, INH, organophosphates, TCA, salicylates, lithium, phenothiazines, bupropion, camphor, clozapine, cyclosporine, fluoroquinolones, imipenem, lead, lidocaine, metronidazole, synthetic cannabinoids, theophylline, Starfruit)
Psychogenic nonepileptic seizure (pseudoseizure)
Posterior reversible encephalopathy syndrome
Eclampsia
Limbic encephalitis
Vascular
Osmotic demyelination syndrome
Hypertensive Encephalopathy
Neoplastic meningitis
CVA