Acute:
Recent (within 48h)<unk>  brain injury with neuronal necrosis
Abrupt onset of irregular muscle contractions, focal or generalized
Post-hypoxic status<unk> 
Onset usually within 12-24h of injury
Generalized, multifocal clonus
Chronic
Onset days-weeks after arrest
Awareness preserved
Typically intention<unk> 
Recent (within 48h)<unk>  brain injury with neuronal necrosis
Abrupt onset of irregular muscle contractions, focal or generalized
Onset usually within 12-24h of injury
Generalized, multifocal clonus
Onset days-weeks after arrest
Awareness preserved
Typically intention<unk>
Post-hypoxic myoclonus
Seizure
Heat syncope
Myxedema coma
Post-lumbar puncture headache
Status epilepticus
Febrile seizure
Focal neurologic deficits