Adenosine is increasingly used to assess for dormant conduction following pulmonary vein isolation during atrial fibrillation ablation. While the half-life of adenosine is typically short and side effects transient, operators should be aware of more serious, lasting adverse reactions including anaphylaxis and bronchospasm.
Keywords: Adenosine; anaphylaxis; atrial fibrillation; bronchospasm; catheter ablation.