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Updated: May 23, 2026

Simultaneous Video-EEG-ECG Monitoring to Identify Neurocardiac Dysfunction in Mouse Models of Epilepsy
Published on: January 29, 2018
Heart rate recovery in epilepsy
Deniz Yerdelen1, Tansel Erol, Filiz Koc
1Department of Neurology, Baskent University Faculty of Medicine, Adana, Turkey. yerdelend@gmail.com
Patients with epilepsy show increased vagal activity, indicated by higher heart rate recovery (HRR) after exercise. This suggests autonomic dysfunction, specifically heightened parasympathetic function, in individuals with epilepsy.
Area of Science:
- Neurology
- Cardiology
- Autonomic Neuroscience
Background:
- Autonomic dysfunction, particularly cardiac manifestations, is increasingly recognized in epilepsy.
- Vagal activity, a key component of autonomic function, plays a significant role in cardiac regulation.
Purpose of the Study:
- To assess autonomic function in epilepsy patients by measuring heart rate recovery (HRR).
- To investigate vagal activity in medication-naïve epilepsy patients using HRR as an index.
Main Methods:
- Exercise tolerance tests using the modified Bruce protocol were conducted on 14 epilepsy patients and 14 controls.
- Heart rate recovery (HRR) at 1 and 3 minutes post-exercise (HRR1 and HRR3) was calculated.
Main Results:
- Epilepsy patients exhibited significantly increased HRR1 and HRR3 compared to control subjects.
- These findings indicate elevated vagal tone in individuals with epilepsy.
Conclusions:
- The study suggests increased parasympathetic function in epilepsy.
- Results support previous research indicating autonomic dysfunction in epilepsy patients.
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