TY - JOUR T1 - A combination of persistent left superior vena cava and a large secundum atrial septal defect in a 34 year old woman JF - Heart JO - Heart SP - 406 LP - 406 DO - 10.1136/heart.85.4.406 VL - 85 IS - 4 AU - THEODORA ZAGLAVARA AU - J R L HAMILTON AU - ANTOINETTE KENNY Y1 - 2001/04/01 UR - http://heart.bmj.com/content/85/4/406.abstract N2 - A 34 year old woman presented with increasing shortness of breath, and a secundum atrial septal defect (ASD) was diagnosed by transthoracic echocardiography. A preoperative transoesophageal echocardiogram demonstrated a large secundum ASD with left to right shunt, and a dilated right ventricle (RV) with a pulmonary artery systolic pressure … ER -