Key result
A 70-year-old woman developed transient inferior lead ST elevation during radiofrequency ablation of the right superior pulmonary vein, which resolved without significant coronary obstruction.
Why the study?
Radiofrequency ablation is commonly performed for symptomatic AF, but mechanisms underlying transient ST elevation during the procedure require explanation.
Case Report (n=1)
No
Transient ST elevation during radiofrequency ablation of atrial fibrillation may occur as a reflex phenomenon without direct thermal injury or coronary occlusion, allowing safe completion of the procedure if it resolves quickly.
May allow safe AF ablation continuation with resolving transient ST elevation; leaves open reflex mechanisms in larger cohorts.
Radiofrequency ablation (RFA) is a commonly performed procedure for symptomatic atrial fibrillation (AF). Herein, we describe a case of transient ST elevation during the isolation of right-sided pulmonary veins. The patient was hemodynamically stable and due to the transient nature of ST-elevation, the procedure was completed successfully. Subsequently, the cardiac catheterization was performed which did not reveal any significant obstructive coronary lesion or a thrombus. In this report, we attempt to explain possible mechanisms for ST-elevation during RFA of AF.
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A 2020 study conducted a case report in Atrial fibrillation (n=1). Radiofrequency ablation was evaluated on Transient ST elevation during procedure. A 70-year-old woman developed transient inferior lead ST elevation during radiofrequency ablation of the right superior pulmonary vein, which resolved without significant coronary obstruction.
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