[Table/Fig-22a]:

Intra-cardiac TAPVC. A two-month-old female presenting with cyanosis while crying, shown to have a septal defect on echocardiography diagnosed with intra-cardiac total anomalous pulmonary venous drainage: (a) Diagrammatic illustration showing a confluence of pulmonary artery draining into the enlarged coronary sinus; (b) Echocardiography shows dilated coronary sinus draining in to enlarged right atrium (arrow); (c) Colour Doppler exam shows enhanced flow in to right atrium via coronary sinus; (d) Axial CT MIP image shows confluence of pulmonary veins and dilated coronary sinus, draining into right atrium (open arrows).