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[Recurrent ventricular tachyarrhythmias primarily diagnosed as epilepsy]
1Frederiksberg Hospital, medicinsk afdeling B.
Ugeskrift for Laeger
|May 13, 1991
Summary
Sudden cardiac death is a risk in Denmark. This case highlights how seizures may signal cardiac arrhythmia, emphasizing the importance of Holter monitoring and appropriate antiarrhythmic drug selection, such as Mexiletine.
Area of Science:
- Cardiology
- Neurology
Background:
- Sudden cardiac death (SCD) is a significant concern, often caused by ventricular fibrillation.
- Misdiagnosis of cardiac events as neurological disorders can delay appropriate treatment.
Observation:
- A patient presented with recurrent lipothymic seizures, initially diagnosed as epilepsy.
- Treatment with a cyclic antidepressant exacerbated the condition, leading to Lidocaine-resistant ventricular fibrillation.
Findings:
- The patient's seizures were reinterpreted as symptoms of intermittent malignant cardiac arrhythmia.
- Successful management was achieved with Mexiletine, resolving seizures and improving patient well-being.
- The case underscores the diagnostic value of Holter monitoring for unexplained seizures.
Implications:
- Highlights the critical need to consider cardiac causes in patients with unexplained seizures.
- Emphasizes the role of antiarrhythmic drugs like Mexiletine in managing specific cardiac arrhythmias.
- Reinforces Lidocaine as a first-line treatment for ventricular fibrillation, acknowledging potential resistance.