The EKG of a patient complaining of dizziness, light headedness, and palpitations shows absent P waves and fibrillatory waves. Which of the following invasive approaches are not beneficial in treating this patient’s arrhythmia?
  1. Radiofrequency catheter ablation
  2. Implantable cardioverter defibrillator
  3. AV node ablation
  4. Surgical maze procedure
Explanation
Answer: C - AV node ablation is not used to treat atrial fibrillation: radiofrequency catheter ablation, the surgical maze procedure, and occasionally an implantable defibrillator are used.
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