Research Time
I found an excellent research study that sums up what’s going on with me: Conduction Abnormality and Arrhythmia After Transcatheter Closure of Atrial Septal Defect [pdf] Conclusion: Transcatheter closure of ASD is associated with a transient increase in supraventricular premature beats and a small risk of conduction abnormalities and paroxysmal atrial fibrillation in early follow-up. Transcatheter closure …