Figure 1From: Perventricular device closure of a large residual perimembranous interventricular septal defect after previous surgical correction Intraoperative transesophageal echocardiography pre and after device implantation. A. Intraoperative transesophageal echocardiography demonstrating an important left to right shunt and B. Intraoperative transesophageal echocardiography demonstrating non residual left to right shunt after the device implantation.Back to article page