Functional neurological disorders: acute presentations and management
Hannah R Cock and Mark J Edwards
DOI: https://doi.org/10.7861/clinmedicine.18-5-414
Clin Med October 2018 Hannah R Cock
AInstitute of Medical and Biomedical Education, St George's University of London, London, UK
BAtkinson Morley Regional Neuroscience Centre, St George's University Hospitals NHS Trust, London, UK
Roles: professor of epilepsy and medical education, consultant neurologist
Mark J Edwards
CInstitute of Molecular and Clinical Sciences, St George's University of London, London, UK
DAtkinson Morley Regional Neuroscience Centre, St George's University Hospitals NHS Trust, London, UK
Roles: professor of neurology, consultant neurologist

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- Table 1.
Clinical features helpful in distinguishing epileptic from dissociative seizures.7–9
Favour dissociative seizures Not useful discriminators Long (>5 min) duration of individual events Tongue biting (except significant lateral tongue biting) Fluctuating course (waxing and waning) Incontinence Asynchronous rhythmic movementsa Gradual onset Pelvic thrustinga Non-stereotyped c Side-to-side head/body movements during a convulsion Flailing/thrashing movements Closed eyes Opisthotonous Ictal crying History of associated Injuries Recall of items during eventb ↵aCan be seen in frontal lobe focal seizures.
↵bPatients often report being able to hear what is going on around them but not being able to respond.cClinical experience suggests that dissociative seizures are less stereotyped than epileptic seizures, but stereotyped attacks of itself does not argue strongly in favour or epilepsy. Features favouring epileptic seizures include prolonged post-event confusion and sterturous breathing.
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Functional neurological disorders: acute presentations and management
Hannah R Cock, Mark J Edwards
Clinical Medicine Oct 2018, 18 (5) 414-417; DOI: 10.7861/clinmedicine.18-5-414
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