A special catheter with a balloon in the tip is used to create or enlarge an opening in the atrial septum (wall between the left and right atria).
用一根顶端带有气囊的特殊的导管在房间隔(左心房和右心房之间的壁)上造一个口。
2
By comparing right atrial potential recorded on the right anterior chest wall with leftatrial potential recorded from the esophagus, we could roughly distinguish free-wall and septal AVBTs.