Pulmonic valve regurgitation occurs when blood leaks abnormally backward from the pulmonary artery through the pulmonic valve into the right ventricle. This can result in right heart failure.

The Graham Steele murmur is the murmur of pulmonic valve regurgitation. Pulmonic regurgitation produces a murmur that is often indistinguishable from that of aortic valve regurgitation.

A device in clinical development appears to be far safer and more effective than the TAVI devices currently being used ...