Picking the Locked Door

Abstract

The management of atrial septal defects (ASDs) has been revolutionized by the advent of percutaneous transvenous occlusion devices. This case series describes techniques required to perform a transeptal puncture safely and effectively in patients postimplantation of an atrial septal defect occluder to facilitate catheter ablation of atrial arrhythmias. (Level of Difficulty: Intermediate.)

Keywords

• atrial arrhythmia
• catheter ablation
• heart atria