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Ictal tachycardia during temporal lobe seizures
Mayo Clinic Proceedings
|July 1, 1983
Summary
Temporal lobe seizures often cause tachycardia, a rapid heart rate. This common finding, observed in most seizures, may pose risks for individuals with underlying heart conditions.
Area of Science:
- Neurology
- Cardiology
Background:
- Temporal lobe epilepsy is a common neurological disorder.
- Autonomic nervous system dysfunction can accompany seizures.
Observation:
- Tachycardia (rapid heart rate) was observed in 12 consecutive patients during spontaneous temporal lobe seizures.
- Simultaneous electroencephalographic, electrocardiographic, and video monitoring confirmed the association.
Findings:
- Ictal tachycardia occurs in at least 64% of temporal lobe seizures (99% confidence).
- This suggests tachycardia is a frequent, though often overlooked, seizure accompaniment.
Implications:
- The autonomic effects of ictal tachycardia may be clinically significant in patients with pre-existing cardiac disease.
- Understanding this association is crucial for comprehensive patient management and risk assessment in epilepsy care.