Figure 3From: Double left ventricular pacing following accidental malpositioning of the right ventricular electrode during implantation of a cardiac resynchronization therapy device Transesophageal echocardiographic recordings after the original implantation procedure. The LV electrode (lead) is placed in the coronary sinus (CS), Chiari’s network (CN) present in the right atrium (RA) (3 a); the ICD electrode (ICD lead) passes the atrial septum via the foramen ovale (3 b) into the left atrium (LA) and ventricular (LV) apex (3 c).Back to article page