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Related Experiment Videos

Complete atrio-ventricular conduction block during complex partial seizure.

E Wilder-Smith1

  • 1Department of Medicine, University of Otago, Dunedin Public Hospital, New Zealand.

Journal of Neurology, Neurosurgery, and Psychiatry
|August 1, 1992
PubMed
Summary
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Epileptic seizures can cause cardiac arrhythmias, which are often misdiagnosed as primary heart problems. This study demonstrates a case where a seizure led to heart block, confirming the secondary nature of the arrhythmia.

Area of Science:

  • Cardiology
  • Neurology
  • Clinical Electrophysiology

Background:

  • Cardiac arrhythmias are a known cause of epileptic seizures.
  • Conversely, epileptic seizures causing cardiac arrhythmias are less recognized.
  • Arrhythmias are frequently presumed to be of primary cardiac origin.

Observation:

  • This paper details a patient experiencing complete atrioventricular (AV) heart-block.
  • The heart block occurred during a partial complex seizure.
  • Simultaneous electroencephalogram (EEG) and electrocardiogram (ECG) monitoring was employed.

Findings:

  • The simultaneous EEG/ECG monitoring confirmed the secondary nature of the bradyarrhythmia.
  • The cardiac event (heart block) was a consequence of the epileptic seizure.

Related Experiment Videos

  • This challenges the common assumption of primary cardiac etiology for arrhythmias in such contexts.

    • Implications:

    • Highlights the importance of considering neurological events as a cause of cardiac arrhythmias.
    • Suggests the need for integrated EEG/ECG monitoring in specific clinical scenarios.
    • Improves understanding of the interplay between cardiac and neurological systems during seizures.