Transesophageal echocardiography for diagnosis of inadvertant closure of Inferior Vena Cava opening during minimally invasive atrial septal defect closure.

Transesophageal echocardiography (TEE) is widely used in cardiac surgery. TEE provides important diagnostic and functional information before and after cardiopulmonary bypass thereby having a very important impact on perioperative clinical outcomes. We describe a case in which intraoperative TEE was instrumental in the timely diagnosis of inadvertant closure of the inferior vena cava (IVC) opening during minimally invasive surgical closure of atrial septal defect.