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Arrhythmogenic channelopathy syndromes presenting as refractory epilepsy
Matthew A Hazle1, Renée A Shellhaas, David J Bradley
1Division of Pediatric Cardiology, Department of Pediatrics and Communicable Diseases, University of Michigan, Ann Arbor, Michigan, USA. mhazle@wakehealth.edu
Pediatric Neurology
|July 18, 2013
Summary
Cardiac channelopathies, like long QT syndrome, can mimic epilepsy, causing syncope and seizures. Early diagnosis and management of these genetic arrhythmias are crucial for preventing further events.
Area of Science:
- Cardiology
- Genetics
- Neurology
Background:
- Potentially lethal cardiac channelopathies present in children and young adults.
- Symptoms include syncope or seizures due to ventricular arrhythmias and cerebral hypoperfusion.
Observation:
- Discusses long QT syndrome and catecholaminergic polymorphic ventricular tachycardia with case examples.
- Reviews pathophysiology and clinical features of these genetic arrhythmia syndromes.
Findings:
- Patients diagnosed with cardiac channelopathy experienced syncope and refractory seizures.
- Appropriate medical management led to the cessation of further events.
Implications:
- Cardiac channelopathies can be misdiagnosed as refractory epilepsy.
- Increased awareness and suspicion can expedite diagnosis and improve patient outcomes.
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