Karen on May 26th, 2009

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 [...]

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