Advances in Arrhythmia and Electrophysiology

Circulation: Arrhythmia and Electrophysiology: 10/1/13

Bachmann’s bundle (BB), also known as the interatrial bundle, is well recognized as a muscular bundle comprising of parallel aligned myocardial strands connecting the right and left atrial walls and is considered to be the main pathway of interatrial conduction.¹ Disruption of the bundle’s structure causes interatrial conduction block (IAB),² which is associated with development of various atrial tachyarrhythmias^3,4 and with electromechanical dysfunction of the left atrium.⁵Technological progress providing sophisticated mapping and imaging techniques in the past decade has increased our knowledge of specific anatomic structures and their role in development of both atrial brady- and tachyarrhythmias. This review outlines the current knowledge of the relation between anatomic and electrophysiological properties of BB and its possible role in initiation and perpetuation of atrial fibrillation (AF). Read More