Medical Animation: Fontan Operation Fontan Operation: The Fontan Operation is the final of the three stages of congenital heart surgery to provide patients who have a single ventricle, like Hypoplastic Left Heart Syndrome (HLHS), with separation of circulation that more closely matches that of people with two ventricles. It follows the Bidirectional Glenn Shunt, which connects the superior vena cava to the pulmonary artery. The go
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