Superior vena cava is one of the important AF triggers. Superior vena cava bigeminy acts as a trigger of AF. Attention should be paid to the bigeminal activities of the thoracic veins in AF catheter ablation.
Keywords: atrial fibrillation; bigeminy; catheter ablation; pulmonary vein; superior vena cava.
© 2023 The Authors. Journal of Arrhythmia published by John Wiley & Sons Australia, Ltd on behalf of Japanese Heart Rhythm Society.