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Atrio-ventricular block: a possible explanation of sudden unexpected death in epilepsy
1Department of Neurology, Skejby Sygehus, Aarhus University Hospital, Aarhus, Denmark. mona@akhphd.au.dk
Insights
This case report details a patient experiencing total atrio-ventricular (AV)-block, a dangerous heart arrhythmia, during epileptic seizures. Simultaneous recordings confirmed this cardiac event as a potential cause of sudden unexplained death in epilepsy.
Area of Science:
- Cardiology
- Neurology
- Epileptology
Background:
- Epileptic seizures can precipitate life-threatening cardiac arrhythmias.
- Sudden unexplained death in epilepsy (SUDEP) remains a significant concern.
- Total atrio-ventricular (AV)-block is a rare but severe cardiac complication associated with seizures.
Observation:
- A 56-year-old male with medically intractable epilepsy was monitored for cardiac complications.
- The patient experienced total atrio-ventricular (AV)-block during his hospitalization.
- Simultaneous video-electroencephalogram (EEG), Holter, and pulse oximetry recordings were utilized.
Findings:
- The recordings captured the occurrence of total atrio-ventricular (AV)-block during epileptic seizures.
- This cardiac event was directly linked to the patient's seizure activity.
- The data provided evidence for AV-block as a mechanism for sudden unexplained death in epilepsy.
Implications:
- Highlights the critical need for cardiac monitoring in epileptic patients.
- Suggests that temporal lobe epilepsy may have a higher risk of this complication.
- Emphasizes the role of comprehensive monitoring in understanding SUDEP mechanisms.
Introduction:
This is the third case report describing the occurrence of total atrio-ventricular (AV)-block as a life threatening cardiac arrhythmia complicating epileptic seizures.
Case Report:
A 56-year-old right-handed man was admitted to our hospital for surgical assessment of his medically intractable epilepsy. During the hospitalization he was enrolled in a study investigating cardiac complication of epileptic seizures as the possible cause of sudden unexplained death among epileptics.
Discussion:
To the best of our knowledge, we are the first to employ simultaneous video-electroencephalogram-, Holter- and pulse oximetry-recordings of our patients in the description of this complication. These recordings allowed us to discuss the evidence and consequences of this particular cardiac abnormality as an explanation of sudden unexplained death in epileptic seizures, especially those of temporal origin.