This is one of the best illustrations I have found for explaining PAPVR.
Partial Anomalous Pulmonary Venous Return (PAPVR) is a rare congenital heart defect in which blood flow from one or more of the pulmonary veins return to the right atrium instead of to the left atrium. This is a problem because the right atrium [...]
Continue reading about Partial Anomalous Pulmonary Venous Return
