anomalous pulmonary venous connection total anomalous pulmonary venous connection 2010-09-28T03:01:58Z Fyler:0900 Fyler:900 MP:0010441 MPheno.ontology TAPVC TAPVD TAPVR abnormal development and attachment of all four pulmonary veins that normally attach to the left atrium of the heart, resulting in complete anomalous drainage back into the systemic venous circulation via an anomalous connection to the right atrium, the superior or inferior vena cava, the innominate vein, the coronary sinus or the left subclavian artery; in TAPVC, none of the four pulmonary veins are attached to the left atrium csmith total anomalous pulmonary venous drainage total anomalous pulmonary venous return totally anomalous pulmonary venous return