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Long QT syndrome masquerading as epilepsy


The diagnosis of epilepsy is incorrect in up to 20% of cases so should be revisited if attacks are not responding to treatment. We present a case of long QT syndrome that remained undiagnosed in the epilepsy clinic for 15 years until a near-fatal arrhythmia revealed the diagnosis and allowed effective treatment of her attacks. We hope this near miss raises awareness of long QT syndrome as a potentially fatal, rare but treatable condition that neurologists must consider in people with a label of refractory epilepsy. We provide practical pointers to increase the chance of early diagnosis and explore the impact of a late diagnosis for the patient and her family.

  • anticonvulsants
  • channels
  • epilepsy
  • cardiology

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