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Published 14 April 2009
Cite this as: BMJ Case Reports 2009 [doi:10.1136/bcr.10.2008.1024]
Copyright © 2009 by the BMJ Publishing Group Ltd.

Unusual association of diseases/symptoms

Seizure or syncope? A channelopathy with cardiac and cerebral manifestation

Christian H Nolte, Rüdiger Wenzel

Charite, Berlin, Neurology, Hindenburgdamm 30, Berlin, 12200, Germany

Correspondence to:
Christian H Nolte, christian.nolte{at}charite.de

SUMMARY

A 24-year-old woman was diagnosed with long QT syndrome (LQTS) because of recurring losses of consciousness. She was implanted with a cardioverter-defibrillator, but losses of consciousness reoccurred. Genetic analysis proved LQTS. An electroencephalogram showed spontaneous generalised spikes and polyspike waves with a 3–4/s frequency. Losses of consciousness ceased only after antiepileptic treatment. We conclude that it may by worthwhile scrutinising patients with LQTS for subtle epileptic activity to find evidence for a cerebral manifestation of a disease thought to be confined to the heart.


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