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The radiofrequency interference on CRT-D functioning during AV node ablation: An educational case.

Giacomo Mugnai1, Andrea Volpiana1, Stefano Cavedon1

  • 1Division of Cardiology Arzignano Hospital Arzignano (Vicenza) Italy.

Journal of Arrhythmia
|April 14, 2021
PubMed
Summary
This summary is machine-generated.

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Radiofrequency interference can affect implantable cardioverter-defibrillator (ICD) function during AV nodal ablation. This study explains the unusual findings observed during this cardiac procedure.

Area of Science:

  • Electrophysiology
  • Cardiac Implantable Electronic Devices (CIEDs)

Background:

  • AV nodal ablation is a common procedure for treating supraventricular tachycardias.
  • Implantable cardioverter-defibrillators (ICDs) are crucial for managing life-threatening arrhythmias.
  • Potential interactions between ablation energy and CIEDs require careful consideration.

Purpose of the Study:

  • To report and explain unusual observations of radiofrequency interference affecting ICD function during AV nodal ablation.
  • To enhance the understanding of electromagnetic interference in electrophysiology procedures.

Main Methods:

  • Case observation during electrophysiology procedures involving AV nodal ablation in patients with ICDs.
  • Analysis of ICD electrograms and device parameters during radiofrequency energy delivery.
Keywords:
AV nodal ablationinterferenceradiofrequency

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Main Results:

  • Observed instances of inappropriate ICD behavior, including sensing abnormalities and tachyarrhythmia detection, correlated with radiofrequency application.
  • Demonstrated a clear link between radiofrequency energy and transient ICD malfunction.

Conclusions:

  • Radiofrequency energy used in AV nodal ablation can cause significant interference with ICD function.
  • Awareness and specific programming strategies are essential to mitigate risks during combined procedures.