Arrhythmias & electrophysiology
Atrial Tachyarrhythmias With Ultra-Rapid Ventricular Response and Sudden Death in Patients Without Structural Heart Disease
Authors' conclusion
Common clinical and electrical features define a distinct entity of SCD caused by ATAs with ultra-rapid ventricular response in otherwise healthy patients. Catheter ablation of the ATA is an effective treatment in these patients.
Study context
- Population
- Young resuscitated sudden cardiac death (SCD) survivors without structural heart disease with recurrent implantable cardioverter-defibrillator (ICD) shocks
- Participants
- 5 participants
- Outcome
- Arrhythmia underlying syncopal events (ICD interrogation)
Main finding
As reported in the abstract
Atrial fibrillation
4 patients
Atrial tachycardia
1 patient
Observational data: associations, not effects.
Further findings
Arrhythmic syncope and shock delivery after ATA ablation · median follow-up 34 months
- Sudden death during follow-up
- 0
- Abolished in all patients
Original publication
Atrial Tachyarrhythmias With Ultra-Rapid Ventricular Response and Sudden Death in Patients Without Structural Heart Disease. JACC Clin Electrophysiol. Published 18 December 2024. doi:10.
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