The past few years have given rise to extensive research on atrial conduction disorders and their clinical relevance. Most notably, an association between interatrial block and supraventricular arrhythmias has been discovered. This disorder, recently termed 'Bayés' syndrome', has important clinical implications. In this article, the authors review normal atrial conduction and associated disorders. A particular focus is placed on Bayés' syndrome and the relationship between interatrial block and supraventricular arrhythmias in different clinical scenarios. The report also outlines the current progress in the study of this syndrome and highlights areas requiring further investigation.
Keywords: Bachmann’s bundle; Bayés’ syndrome; atrial aberrancy; atrial fibrillation; atrial flutter; atrial remodeling; interatrial block; magnetocardiography; stroke; supraventricular arrhythmia.